Author Question: The test for the mean difference in a matched pairs design requires the differences to have a(n) ... (Read 26 times)

CharlieWard · **on:** Jun 24, 2018

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

Question 2

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