A repeated measures study uses a sample of 30 participants to evaluate the mean differences among 5 treatment conditions. In the analysis of variance for this study, what is the value for dfbetween particpiants?

Which of the following is a basic difference between the t statistic and a z-score?

What is the value of SS (sum of squared deviations) for the following population?Population:  2, 3, 0, 5

The values in the following matrix are treatment means from a two-factor study. One of the means is missing. What value for the missing mean would most likely result in no main effect for factor A?     B1 B2 A1 6 12 A2 18 ?

One sample with n = 4 scores has a mean of M = 12, and a second sample with n = 6 scores has a mean of M = 8.  If the two samples are combined, what is the mean for the combined set of scores?

What position in the distribution corresponds to a z-score of z = +2.00?

What is the critical value for a regression analysis with n=45, 1 predictor variable, and an alpha level of 0.01?

For a population with  µ = 80 and ó = 20, the distribution of sample means based on n = 16 will have an expected value of ____ and a standard error of ____.

For a related-samples t-test, the null hypothesis states _____.

For a perfectly symmetrical distribution with a median of 30, what is the value of the mean?