I a Typical Monthly Seasonal Index of 107

question 40

Multiple Choice

i. A typical monthly seasonal index of 107.0 indicates that sales (or whatever the variable is) are 107 percent above the annual average.
ii. Each typical seasonal index is a percent with the average for the year equal to 100.
Iii) The ratio-to-moving-average method eliminates the seasonal, cyclical and irregular components from the original data (y) .t6 The trend component of a time series is obtained my minimizing the sum of the squares of the errors.

• 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) All statements are false

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