In a two-factor ANOVA, always test for ____________________ ...

[mckennatimberlake]

In a two-factor ANOVA, always test for ___________________ _ first.
 Fill in the blank(s) with correct word

Question 2

When estimating the population standard deviation, you typically use the sample standard deviations. However, for a variety of reasons, statistical process control frequently uses the ___________________ _ instead of the standard deviation.
 Fill in the blank(s) with correct word

[ApricotDream]

Answer to Question 1

interaction

Answer to Question 2

range