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Answers to the Interpreting Regression Coefficients Quiz

by Karen Grace-Martin  5 Comments

Yesterday I gave a little quiz about interpreting regression coefficients.  Today I’m giving you the answers.

If you want to try it yourself before you see the answers, go here.  (It’s truly little, but if you’re like me, you just cannot resist testing yourself).

True or False?

1. When you add an interaction to a regression model, you can still evaluate the main effects of the terms that make up the interaction, just like in ANOVA. [Read more…] about Answers to the Interpreting Regression Coefficients Quiz

Interpreting (Even Tricky) Regression Coefficients – A Quiz

by Karen Grace-Martin  1 Comment

Here’s a little quiz:

True or False?

1. When you add an interaction to a regression model, you can still evaluate the main effects of the terms that make up the interaction, just like in ANOVA.

2. The intercept is usually meaningless in a regression model. [Read more…] about Interpreting (Even Tricky) Regression Coefficients – A Quiz