The test for the mean difference in a matched pairs design ...

[CharlieWard]

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

[Dinolord]

Answer to Question 1

normal

Answer to Question 2

B

[CharlieWard]

Thanks for the timely response, appreciate it

[Jossy]

Gracias!