We calculate the three-period moving averages for a time series for all time periods except the:

We calculate the three-period moving averages for a time series for all time periods except the:
 a. first period c. first and last period
  b. last period d. first and last two periods

Q. 2

The test for the mean difference in a matched pairs design requires the differences to have a(n) ____________________ distribution.
 Fill in the blank(s) with correct word

Q. 3

The time series component that reflects a wavelike pattern describing a long-term trend that is generally apparent over a number of years is called:
 a. long-term trend c. seasonal variation
  b. cyclical variation d. random variation

Q. 4

Two measurements from the same individuals is an example of data collected from a(n) ____________________ experiment.
 Fill in the blank(s) with correct word

Q. 5

Which of the four time series components is more likely to exhibit the relative steady growth of the population of Las Vegas from 1964 to 2004?
 a. Long-term trend c. Seasonal variation
  b. Cyclical variation d. Random variation