Multiple Choice
Which of the following is true?
A) In trend analysis, the independent variable is time only if the equation is linear.
B) The number of time periods in a centred moving average is always even.
C) If the seasonal index for December sales is 120, this means that December sales tend to be 120% higher than the 'average' month.
D) The cyclical component of a time series refers to repeating patterns that have a period of a year or less.
Correct Answer:

Verified
Correct Answer:
Verified
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