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 variable is explained by the dependent variable
b. 80% of the variability in the dependent variable is explained by the independent variable
c. 80% of the variability in the dependent variable is not explained by the independent variable
d. Multiple regression was used
Answer: B
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OM
- Smoothing constant () All of the following are important in choosing a forecasting method except
- Brought together as a group Which of the following does not fit with the Delphi method?
- Moving average If actual demand for a product is highly influenced by only random variation, the quantitative technique to use for forecasting demand is
- Can be used with time as the independent variable Regression analysis
- Large values of alpha () place more emphasis on recent data For single exponential smoothing,
- There is no trend, seasonal, or cyclical pattern A moving average model works best when ____ in the time series.
- Delphi Which of the following is not a statistical method?
- MAPE The forecasting error measurement that is different in that the measurement scale factor is eliminated is
- Cyclical patterns Regular patterns in a data series that take place over long periods of time are called ____.
- Seasonal patterns Repeatable periods of ups and downs over short periods of time are called ____.
- Irregular variation A(n) ____ is a one-time variation that is explainable.
- Time bucket Which of the following is not one of the five characteristics of a time series?
- Short-range ____ forecasts are needed for planning production schedules and to assign workers to jobs.
- Long-range ____ forecasts are needed to plan for facility expansion.
- Intermediate-range ____ forecasts are needed to plan work-force levels, allocate budgets among divisions and schedule jobs and resources.
- An example of a moment of truth for a college visit would not be
- A support process could be all of the following except
- Which is generally related to service operations?
- The OM perspective of a value creation process applies most to
- Which of the following is not a current challenge to OM?
- The quality revolution is most related to...
- The following terms -- interchangeability of parts, division of labor, highly repetitive tasks -- best relate to focus on ____.
- Which of the following is the correct sequence describing the evolution of OM?
- Support processes would typically include all but which of the following:
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