1. For an analysis of variance, the differences between the sample means contribute to the ______ and appears in the ______ of the F- ratio. a. variance between treatments, numerator b. variance between treatments, denominator c. variance within treatments, numerator d. variance within treatments, denominator 2. What is suggested by a large value for the F-ratio in an ANOVA? a. There is a treatment effect and the null hypothesis should be rejected. b. There is no treatment effect and the null hypothesis should be rejected. c. There is a treatment effect and you should fail to reject the null hypothesis. d. There is no treatment effect and you should fail to reject the null hypothesis