N time-series analysis, which source of variation can be estimated by the ratio-to-trend method?
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a. predicts the quality of a new product.
b. predicts the direction, but not the magnitude, of change in a variable.
c. is a forecast that is classified on a numerical scale from 1 (poor quality) to 10 (perfect quality).
d. is a forecast that is based on econometric methods.
Which of the following is not a qualitative forecasting technique?
a. Surveys of consumer expenditure plans
b. Perspectives of foreign advisory councils
c. Consumer intention polling
d. Time-series analysis
The first step in time-series analysis is to
a. perform preliminary regression calculations.
b. calculate a moving average.
c. plot the data on a graph.
d. identify relevant correlated variab
b. predicts the direction, but not the magnitude, of change in a variable.
c. is a forecast that is classified on a numerical scale from 1 (poor quality) to 10 (perfect quality).
d. is a forecast that is based on econometric methods.
Which of the following is not a qualitative forecasting technique?
a. Surveys of consumer expenditure plans
b. Perspectives of foreign advisory councils
c. Consumer intention polling
d. Time-series analysis
The first step in time-series analysis is to
a. perform preliminary regression calculations.
b. calculate a moving average.
c. plot the data on a graph.
d. identify relevant correlated variab
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