If a Very Short Time Period, Such as a Week

Multiple Choice

If a very short time period, such as a week, is used for a regression study, rather than a longer period such as a month:

A) coping with inflation becomes more difficult.
B) accounting measurement errors are more likely.
C) time and motion studies will be required to supplement the cost and volume data.
D) coping with inflation becomes more difficult AND time and motion studies will be required to supplement the cost and volume data.