Multiple Choice
i. Using the ratio-to-moving-average method, dividing the actual sales for a month by the typical seasonal for that month results in a figure that includes only trend, cycle and irregular fluctuations. This procedure is called deseasonalizing the sales. ii. The reason for deseasonalizing a sales series is to remove trend and cyclical fluctuations so that we can study seasonal fluctuations.
iii. Knowing the seasonal pattern in the form of indexes allows the retailer to deseasonalize sales.
A) (i) , (ii) , and (iii) are all correct statements.
B) (i) and (ii) are correct statements but not (iii) .
C) (i) and (iii) are correct statements but not (ii) .
D) (ii) and (iii) are correct statements but not (i) .
E) (i) , (ii) , and (iii) are all false statements.
Correct Answer:

Verified
Correct Answer:
Verified
Q78: A time series is a collection of
Q79: What is the long-term behavior of a
Q80: i. A forecast is considered necessary in
Q81: A logarithmic straight-line trend equation should be
Q82: i. A typical monthly seasonal index of
Q84: i. A typical monthly seasonal index of
Q85: A plastics manufacturing performed a quarterly time
Q86: If the exports ($ millions) for the
Q87: What time series component was exemplified during
Q88: i. In a time series analysis, the