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Which of the following line plots indicate that there is no interaction effect: Plot A Plot B Plot C Plot D Plot E

A sample of n = 20 scores produces a t statistic of t = -3.50. What is the value of the effect size,  r2?  (round to 2 decimal places)

How many F ratios are created in a two-factor ANOVA?

An research study compares three treatment conditions using a sample of n = 4 in each treatment. For this study, the three samples have SS1 = 62.75, SS2 = 9, and SS3= 8.75. What value would be obtained for MSwithin?

Health researchers conduct a study comparing major depressive disorder rates in high school students to the nationwide average of 15. Researchers select a sample of 30 students who have a mean score of 20 (S= 6.5). Calculate the t statistic  (round to 2 decimal places)

Using a one-way ANOVA, a researchers reports an F ratio with df = 1, 25. This researcher could have used a t test. 

Outliers can change the ______ of a correlation.

A researcher reports that the mean difference in the body weight of rats following a pharmacological treatment versus control is 18 g, with a pooled sample variance of 272. Calculate the Cohen’s d  (round to 2 decimal places)

Did I ask you anything that was not covered in the course materials (e.g., lectures, HW, book)? If yes, please specify in what question(s).

Generally researchers are hoping that Levene’s test will be ___________ which indicates _________ variances in the two samples.