Smoothing constant () All of the following are important in choosing a forecasting method except

Smoothing constant () All of the following are important in choosing a forecasting method except a. Smoothing constant () b. Time span for which forecast...

Brought together as a group Which of the following does not fit with the Delphi method?

Brought together as a group Which of the following does not fit with the Delphi method? a. Group of experts b. Brought together as a group c. Process...

Moving average If actual demand for a product is highly influenced by only random variation, the quantitative technique to use for forecasting demand is

Moving average If actual demand for a product is highly influenced by only random variation, the quantitative technique to use for forecasting demand...

80% of the variability in the dependent variable is explained by the independent variable An R2 of 0.80 means

80% of the variability in the dependent variable is explained by the independent variable An R2 of 0.80 means a. 80% of the variability in the independent...

Can be used with time as the independent variable Regression analysis

Can be used with time as the independent variable Regression analysis a. Is limited to one dependent and one independent variable b. Is best with...

Large values of alpha () place more emphasis on recent data For single exponential smoothing,

Large values of alpha () place more emphasis on recent data For single exponential smoothing, a. Large values of alpha () place more emphasis on...

There is no trend, seasonal, or cyclical pattern A moving average model works best when ____ in the time series.

There is no trend, seasonal, or cyclical pattern A moving average model works best when ____ in the time series. a. Only irregular variation is...

Delphi Which of the following is not a statistical method?

Delphi Which of the following is not a statistical method? a. Delphi b. Exponential smoothing c. Moving average d. Linear regression Answer:...

MAPE The forecasting error measurement that is different in that the measurement scale factor is eliminated is

MAPE The forecasting error measurement that is different in that the measurement scale factor is eliminated is a. MSE b. MAD c. RMSE d. MAPE Answer:...

Cyclical patterns Regular patterns in a data series that take place over long periods of time are called ____.

Cyclical patterns Regular patterns in a data series that take place over long periods of time are called ____. a. Trends b. Seasonal patterns c....

Seasonal patterns Repeatable periods of ups and downs over short periods of time are called ____.

Seasonal patterns Repeatable periods of ups and downs over short periods of time are called ____. a. Trends b. Seasonal patterns c. Cyclical patterns d....

Irregular variation A(n) ____ is a one-time variation that is explainable.

Irregular variation A(n) ____ is a one-time variation that is explainable. a. Cyclical pattern b. Random Variation c. Irregular variation d. Seasonal...

Time bucket Which of the following is not one of the five characteristics of a time series?

Time bucket Which of the following is not one of the five characteristics of a time series? a. Time bucket b. Trend c. Cyclical d. Random variation Answer:...

Short-range ____ forecasts are needed for planning production schedules and to assign workers to jobs.

Short-range ____ forecasts are needed for planning production schedules and to assign workers to jobs. a. Long-range b. Intermediate-range c. Short-range d....

Long-range ____ forecasts are needed to plan for facility expansion.

Long-range ____ forecasts are needed to plan for facility expansion. a. Long-range b. Intermediate-range c. Short-range d. Demand planning Answer:...

Intermediate-range ____ forecasts are needed to plan work-force levels, allocate budgets among divisions and schedule jobs and resources.

Intermediate-range ____ forecasts are needed to plan work-force levels, allocate budgets among divisions and schedule jobs and resources. a. Long-range b....

An example of a moment of truth for a college visit would not be

An example of a moment of truth for a college visit would not be a. Receiving an email from an admissions officer b. Finding a building using a campus...

A support process could be all of the following except

A support process could be all of the following except a. Assembling automobiles b. Purchasing materials and supplies c. Managing inventory d....

Which is generally related to service operations?

Which is generally related to service operations? a. Tangible product b. Need for flexible capacity c. Separation of production from consumption d....

The OM perspective of a value creation process applies most to

The OM perspective of a value creation process applies most to a. Universities b. Hospitals c. Manufacturers of dishwashers d. All the answers are...

Which of the following is not a current challenge to OM?

Which of the following is not a current challenge to OM? a. Globalization b. Technology c. The workforce d. Mass production Answer:...

The quality revolution is most related to...

The quality revolution is most related to... a. Continuous improvement b. Mass production c. Time-based competition d. Service Answer:...

The following terms -- interchangeability of parts, division of labor, highly repetitive tasks -- best relate to focus on ____.

The following terms -- interchangeability of parts, division of labor, highly repetitive tasks -- best relate to focus on ____. a. Quality b. Efficiency c....

Which of the following is the correct sequence describing the evolution of OM?

Which of the following is the correct sequence describing the evolution of OM? a. Efficiency, customization, quality, service, time-based competition b....

Support processes would typically include all but which of the following:

Support processes would typically include all but which of the following: a. Managing inventory b. Customer help desk operations c. Research and...

Service organizations generally

Service organizations generally a. Are in close proximity to the customer b. Rely on physical inventory c. Take advantage of patents d. Can delegate...

Regarding service encounters, which is not true?

Regarding service encounters, which is not true? a. May involve more than one moment of truth b. Should be avoided c. May involve a company store...

Which one of the following best represents a pure service?

Which one of the following best represents a pure service? a. Bank loans b. Computer diagnosis and repair c. Attending a play d. Fast food restaurant Answer:...

Which of the following is not a key activity of an operations manager?

Which of the following is not a key activity of an operations manager? a. Translating market knowledge into goods, services, and processes b. Continually...

Which of the following is not true regarding the differences between goods and services?

Which of the following is not true regarding the differences between goods and services? a. Demand for services is easier to forecast b. Customers...

Which one of the following statements is FALSE?

Which one of the following statements is FALSE? a. service encounters can be between a customer and a building. b. services can be stored as inventory...

Which one of the following statements is TRUE?

Which one of the following statements is TRUE? a. a variant is always a durable good with new features. b. buying a Mercedes automobile is a nondurable...

Which one of the following statements is FALSE?

Which one of the following statements is FALSE? a. service processes are the dominant type of process in the U.S. economy. b. a telephone customer...

Which one of the following statements is FALSE?

Which one of the following statements is FALSE? a. service encounters can be between a customer and a building. b. high customer contact systems...

The Minnesota Family Investment Program was designed to:

The Minnesota Family Investment Program was designed to: a. provide parents with education on parenting young children b. primarily influence the...

In 2005______________of U.S. children were living in families below the poverty line.

In 2005______________of U.S. children were living in families below the poverty line. a. 19.2% b. 17.4% c. 16.4% d. 22.8% Answer:...

During the 20th century, life expectancy increased ___________years.

During the 20th century, life expectancy increased ___________years. b. 20 c. 30 d. 35 Answer:...

The American Psychological Association (APA) has developed ethical guidelines in conducting research that address four important issues. Which of the following is NOT included?

The American Psychological Association (APA) has developed ethical guidelines in conducting research that address four important issues. Which of the...

_____is to operant conditioning as______________is to social cognitive theory.

_____is to operant conditioning as______________is to social cognitive theory. a. Skinner, Bandura b. Skinner, Pavlov c. Pavlov, Watson d. Pavlov,...

The upper boundary of the human life span has historically been, and continues to be___________years

The upper boundary of the human life span has historically been, and continues to be___________years a. 78 b. 100 c. 110 d. 122 Answer:...

Robert Siegler emphasizes that an important aspect of development is:

Robert Siegler emphasizes that an important aspect of development is: a. being rewarded for good behaviors b. actively constructing one's world through...

The criticisms of psychoanalytic theory include all of the following ones, EXCEPT:

The criticisms of psychoanalytic theory include all of the following ones, EXCEPT: a. the sexual underpinnings of develop[ment are given too much...

Which psychologist contended that "trust versus mistrust" is the first psychological stage?

Which psychologist contended that "trust versus mistrust" is the first psychological stage? a. Jean Piaget b. Erik Erikson c. Sigmund Freud d. Lev...

When psychologists speak of life-span development, they are referring to an approach that emphasizes

When psychologists speak of life-span development, they are referring to an approach that emphasizes a. child development, specifically b. humanity's...

Which of the following terms refers to using an ethnic label in a superficial way that portrays an ethnic group as being more homogeneous than it really is?

Which of the following terms refers to using an ethnic label in a superficial way that portrays an ethnic group as being more homogeneous than it really...

Which research approach involves the simultaneous comparison of individuals of different ages?

Which research approach involves the simultaneous comparison of individuals of different ages? A) Cross-sectional B) Longitudinal C) Sequential D)...

A factor that can change in an experiment, in response to a manipulated factor, is called the _____ variable.

A factor that can change in an experiment, in response to a manipulated factor, is called the _____ variable. A) independent B) control C) dependent D)...

Which of the following statements is true with regards to correlational research?

Which of the following statements is true with regards to correlational research? A) This type of research is difficult to administer. B) Correlation...

What method of collecting data involves taking an in-depth look at a single individual?

What method of collecting data involves taking an in-depth look at a single individual? A) Interview B) Survey C) Standardized test D) Case study Answer:...

To ensure that an observational measure is effective, it is important that it be conducted:

To ensure that an observational measure is effective, it is important that it be conducted: A) in a real-world setting rather than a laboratory. B)...

One difficulty of conducting research in the laboratory setting is that:

One difficulty of conducting research in the laboratory setting is that: A) the setting is unnatural. B) random assignment is impossible. C) extraneous...

In Bronfenbrenner's theory, the microsystem refers to the:

In Bronfenbrenner's theory, the microsystem refers to the: A) setting in which an individual lives and plays an active role. B) culture in which...

Which theory of development emphasizes critical or sensitive periods?

Which theory of development emphasizes critical or sensitive periods? A) Ecological B) Ethological C) Behavioral D) Social cognition Answer:...

What is a syndrome?

What is a syndrome?  A) a characteristic facial appearance B) a group of traits, all of which must be present if an aneuploidy is to be diagnosed C)...

At which phase(s) is it preferable to obtain chromosomes to prepare a karyotype?

At which phase(s) is it preferable to obtain chromosomes to prepare a karyotype?  A) early prophase B) late telophase C) anaphase D) late anaphase...

In 1956 Tijo and Levan first successfully counted human chromosomes. What is the reason it took so many years to do so?

In 1956 Tijo and Levan first successfully counted human chromosomes. What is the reason it took so many years to do so?  A) Watson and Crick's...

A couple has a child with Down syndrome. The mother is 39 years old at the time of delivery. Which of the following is the most probable cause of the child's condition?

A couple has a child with Down syndrome. The mother is 39 years old at the time of delivery. Which of the following is the most probable cause of the...

Down syndrome has a frequency in the U.S. population of ~1/700 live births. In which of the following groups would you expect this frequency to be significantly higher?

Down syndrome has a frequency in the U.S. population of ~1/700 live births. In which of the following groups would you expect this frequency to be significantly...

What is the source of the extra chromosome 21 in an individual with Down syndrome?

What is the source of the extra chromosome 21 in an individual with Down syndrome?  A) nondisjunction in the mother only B) nondisjunction in...

An inversion in a human chromosome often results in no demonstrable phenotypic effect in the individual. What else may occur?

An inversion in a human chromosome often results in no demonstrable phenotypic effect in the individual. What else may occur?  A) There may...

Abnormal chromosomes are frequently found in malignant tumors. Errors such as translocations may place a gene in close proximity to different control regions. Which of the following might then occur to make the cancer worse?

Abnormal chromosomes are frequently found in malignant tumors. Errors such as translocations may place a gene in close proximity to different control...

A phenotypically normal prospective couple seeks genetic counseling because the man knows that he has a translocation of a portion of his chromosome 4 that has been exchanged with a portion of his chromosome 12. Although he is normal because his translocation is balanced, he and his wife want to know the probability that his sperm will be abnormal. What is your prognosis regarding his sperm?

A phenotypically normal prospective couple seeks genetic counseling because the man knows that he has a translocation of a portion of his chromosome...

Of the following human aneuploidies, which is the one that generally has the most severe impact on the health of the individual?

Of the following human aneuploidies, which is the one that generally has the most severe impact on the health of the individual?  A) 47, +21 B)...

In humans, male-pattern baldness is controlled by an autosomal gene that occurs in two allelic forms. Allele Hn determines nonbaldness, and allele Hb determines pattern baldness. In males, because of the presence of testosterone, allele Hb is dominant over Hn. If a man and woman both with genotype HnHb have a son, what is the chance that he will eventually be bald?

In humans, male-pattern baldness is controlled by an autosomal gene that occurs in two allelic forms. Allele Hn determines nonbaldness, and allele Hb...

A nonreciprocal crossover causes which of the following products?

A nonreciprocal crossover causes which of the following products?  A) deletion only B) duplication only C) nondisjunction D) deletion and duplication E)...

One possible result of chromosomal breakage is for a fragment to join a nonhomologous chromosome. What is this alteration called?

One possible result of chromosomal breakage is for a fragment to join a nonhomologous chromosome. What is this alteration called?  A) deletion B)...

If nondisjunction occurs in meiosis II during gametogenesis, what will be the result at the completion of meiosis?

If nondisjunction occurs in meiosis II during gametogenesis, what will be the result at the completion of meiosis?  A) All the gametes will...

Which of the following two genes are closest on a genetic map of Drosophila?

Which of the following two genes are closest on a genetic map of Drosophila?  A) b and vg B) vg and cn C) rb and cn D) cn and b E) b and rb Answer:...

Map units on a linkage map cannot be relied upon to calculate physical distances on a chromosome for which of the following reasons?

Map units on a linkage map cannot be relied upon to calculate physical distances on a chromosome for which of the following reasons?  A) The...

Why does recombination between linked genes continue to occur?

Why does recombination between linked genes continue to occur?  A) Recombination is a requirement for independent assortment. B) Recombination...

Recombination between linked genes comes about for what reason?

Recombination between linked genes comes about for what reason?  A) Mutation on one homolog is different from that on the other homolog. B)...

The centimorgan (cM) is a unit named in honor of Thomas Hunt Morgan. To what is it equal?

The centimorgan (cM) is a unit named in honor of Thomas Hunt Morgan. To what is it equal?  A) the physical distance between two linked genes B)...

Three genes at three loci are being mapped in a particular species. Each has two phenotypes, one of which is markedly different from the wild type. The unusual allele of the first gene is inherited with either of the others about 50% of the time. However, the unusual alleles of the other two genes are inherited together 14.4% of the time. Which of the following describes what is happening?

Three genes at three loci are being mapped in a particular species. Each has two phenotypes, one of which is markedly different from the wild type....

What is the reason that linked genes are inherited together?

What is the reason that linked genes are inherited together?  A) They are located close together on the same chromosome. B) The number of genes...

What does a frequency of recombination of 50% indicate?

What does a frequency of recombination of 50% indicate?  A) The two genes are likely to be located on different chromosomes. B) All of the offspring...

How would one explain a testcross involving F1 dihybrid flies in which more parental-type offspring than recombinant-type offspring are produced?

How would one explain a testcross involving F1 dihybrid flies in which more parental-type offspring than recombinant-type offspring are produced?  A)...

Which of the following statements is true of linkage?

Which of the following statements is true of linkage?  A) The closer two genes are on a chromosome, the lower the probability that a crossover...

Women (and all female mammals) have one active X chromosome per cell instead of two. What causes this?

Women (and all female mammals) have one active X chromosome per cell instead of two. What causes this?  A) modification of the XIST gene so...

Duchenne muscular dystrophy (DMD) is caused by a gene on the human X chromosome. The patients have muscles that weaken over time because they have absent or decreased dystrophin, a muscle protein. They rarely live past their 20s. How likely is it for a woman to have this condition?

Duchenne muscular dystrophy (DMD) is caused by a gene on the human X chromosome. The patients have muscles that weaken over time because they have absent...

In humans, clear gender differentiation occurs, not at fertilization, but after the second month of gestation. What is the first event of this differentiation?

In humans, clear gender differentiation occurs, not at fertilization, but after the second month of gestation. What is the first event of this differentiation?  A)...

Sex determination in mammals is due to the SRY region of the Y chromosome. An abnormality of this region could allow which of the following to have a male phenotype?

Sex determination in mammals is due to the SRY region of the Y chromosome. An abnormality of this region could allow which of the following to have...

In birds, sex is determined by a ZW chromosome scheme. Males are ZZ and females are ZW. A recessive lethal allele that causes death of the embryo is sometimes present on the Z chromosome in pigeons. What would be the sex ratio in the offspring of a cross between a male that is heterozygous for the lethal allele and a normal female?

In birds, sex is determined by a ZW chromosome scheme. Males are ZZ and females are ZW. A recessive lethal allele that causes death of the embryo is...

Calico cats are female because

Calico cats are female because  A) the males die during embryonic development. B) a male inherits only one of the two X-linked genes controlling...

Cinnabar eyes is a sex-linked recessive characteristic in fruit flies. If a female having cinnabar eyes is crossed with a wild-type male, what percentage of the F1 males will have cinnabar eyes?

Cinnabar eyes is a sex-linked recessive characteristic in fruit flies. If a female having cinnabar eyes is crossed with a wild-type male, what percentage...

Red-green color blindness is a sex-linked recessive trait in humans. Two people with normal color vision have a color-blind son. What are the genotypes of the parents?

Red-green color blindness is a sex-linked recessive trait in humans. Two people with normal color vision have a color-blind son. What are the genotypes...

In cats, black fur color is caused by an X-linked allele; the other allele at this locus causes orange color. The heterozygote is tortoiseshell. What kinds of offspring would you expect from the cross of a black female and an orange male?

In cats, black fur color is caused by an X-linked allele; the other allele at this locus causes orange color. The heterozygote is tortoiseshell. What...

SRY is best described in which of the following ways?

SRY is best described in which of the following ways?  A) a gene present on the X chromosome that triggers female development B) an autosomal...

Males are more often affected by sex-linked traits than females because

Males are more often affected by sex-linked traits than females because  A) male hormones such as testosterone often alter the effects of mutations...

A woman is found to have 47 chromosomes, including three X chromosomes. Which of the following describes her expected phenotype?

A woman is found to have 47 chromosomes, including three X chromosomes. Which of the following describes her expected phenotype?  A) masculine...

Thomas Hunt Morgan's choice of Drosophila melanogaster has been proven to be useful even today. Which of the following has/have continued to make it a most useful species? I. its four pairs of chromosomes II. a very large number of visible as well as biochemically mutant phenotypes III. easy and inexpensive maintenance IV. short generation time and large number of offspring

Thomas Hunt Morgan's choice of Drosophila melanogaster has been proven to be useful even today. Which of the following has/have continued to make it...

Which of the following is the meaning of the chromosome theory of inheritance as expressed in the early 20th century?

Which of the following is the meaning of the chromosome theory of inheritance as expressed in the early 20th century?  A) Individuals inherit...

Sturtevant provided genetic evidence for the existence of four pairs of chromosomes in Drosophila in which of these ways?

Sturtevant provided genetic evidence for the existence of four pairs of chromosomes in Drosophila in which of these ways?  A) There are four...

When Thomas Hunt Morgan crossed his red-eyed F1 generation flies to each other, the F2 generation included both red- and white-eyed flies. Remarkably, all the white-eyed flies were male. What was the explanation for this result?

When Thomas Hunt Morgan crossed his red-eyed F1 generation flies to each other, the F2 generation included both red- and white-eyed flies. Remarkably,...

Humanoids on the newly explored planet Brin (in a hypothetical galaxy in ~50 years from the present) have a gene structure similar to our own, but many very different plants and animals.

Humanoids on the newly explored planet Brin (in a hypothetical galaxy in ~50 years from the present) have a gene structure similar to our own, but many...

A woman who has blood type A positive has a daughter who is type O positive and a son who is type B negative. Rh positive is a trait that shows simple dominance over Rh negative and is designated by the alleles R and r, respectively. A third gene for the MN blood group has codominant alleles M and N.

A woman who has blood type A positive has a daughter who is type O positive and a son who is type B negative. Rh positive is a trait that shows simple...

Feather color in budgies is determined by two different genes, Y and B, one for pigment on the outside and one for the inside of the feather. YYBB, YyBB, or YYBb is green; yyBB or yyBb is blue; YYbb or Yybb is yellow; and yybb is white.

Feather color in budgies is determined by two different genes, Y and B, one for pigment on the outside and one for the inside of the feather. YYBB,...

Gene S controls the sharpness of spines in a type of cactus. Cactuses with the dominant allele, S, have sharp spines, whereas homozygous recessive ss cactuses have dull spines. At the same time, a second gene, N, determines whether or not cactuses have spines. Homozygous recessive nn cactuses have no spines at all.

Gene S controls the sharpness of spines in a type of cactus. Cactuses with the dominant allele, S, have sharp spines, whereas homozygous recessive ss...

Skin color in a certain species of fish is inherited via a single gene with four different alleles.

Skin color in a certain species of fish is inherited via a single gene with four different alleles.  How many different types of gametes would...

Tallness (T) in snapdragons is dominant to dwarfness (t), while red (R) flower color is dominant to white (r). The heterozygous condition results in pink (Rr) flower color.

Tallness (T) in snapdragons is dominant to dwarfness (t), while red (R) flower color is dominant to white (r). The heterozygous condition results in...

Drosophila (fruit flies) usually have long wings (+) but mutations in two different genes can result in bent wings (bt) or vestigial wings (vg).

Drosophila (fruit flies) usually have long wings (+) but mutations in two different genes can result in bent wings (bt) or vestigial wings (vg).  If...

Radish flowers may be red, purple, or white. A cross between a red-flowered plant and a white-flowered plant yields all-purple offspring. The part of the radish we eat may be oval or long, with long being the dominant characteristic.

Radish flowers may be red, purple, or white. A cross between a red-flowered plant and a white-flowered plant yields all-purple offspring. The part of...

Labrador retrievers are black, brown, or yellow. In a cross of a black female with a brown male, results can be either all black puppies, 1/2 black to 1/2 brown puppies, or 3/4 black to 1/4 yellow puppies.

Labrador retrievers are black, brown, or yellow. In a cross of a black female with a brown male, results can be either all black puppies, 1/2 black...

Two true-breeding stocks of pea plants are crossed. One parent has red, axial flowers and the other has white, terminal flowers; all F1 individuals have red, axial flowers. The genes for flower color and location assort independently.

Two true-breeding stocks of pea plants are crossed. One parent has red, axial flowers and the other has white, terminal flowers; all F1 individuals...

In each generation of this family after generation I, the age at diagnosis is significantly lower than would be found in nonfamilial (sporadic) cases of this cancer (~ 63 years). What is the most likely reason?

In each generation of this family after generation I, the age at diagnosis is significantly lower than would be found in nonfamilial (sporadic) cases...

One of two major forms of a human condition called neurofibromatosis (NF 1) is inherited as a dominant gene, although it may range from mildly to very severely expressed. If a young child is the first in her family to be diagnosed, which of the following is the best explanation?

One of two major forms of a human condition called neurofibromatosis (NF 1) is inherited as a dominant gene, although it may range from mildly to very...