What is the underlying logic of the single sample t-test? 

What number reflects how much we would expect our means to vary due to chance if the null is correct and all groups come from the same population?

What is the range of plausible groups differences on familism between the White and Black ethnic groups?

If you have data on one group of people at two waves on a single ordinal or ratio variable, what test are you most likely to use? 

Which of the following is typically true for the mean of the sampling distribution for an independent samples t-test?

If you have data on a two-group nominal variable and an ordinal or ratio variable at one wave, what test are you most likely to use? 

Which of the following is true regarding correspondence between independent t-test and ANOVA results when you only have two groups? 

Suppose a researcher gets a result of t = 1.25. Which of the following is a valid interpretation of these results? 

distribution of mean differences (sampling distribution for paired samples t-test)

What is the ratio of the between-groups variance to the within-groups variance?