A repeated-measures study uses a sample of 10 participants to evaluate the mean differences among four treatment conditions.  In the analysis of variance for this study, what is the value for dfbetween subjects?

The results of an one sample t-test are reported as follows: t(15) = 2.70, p < .05.  Based on this report, how many individuals were in the sample?

What is the critical value for a correlation with n=22, two-tailed, and an alpha level of 0.10?

For any distribution, what is the z-score corresponding to the mean?

A set of n = 10 pairs of scores has ΣX = 20, ΣY = 30, and ΣXY = 74.  What is the value of SP for these data?

An independent-measures research study uses two samples, each with n = 12 participants.  If the data produce a t statistic of t = 2.08, then which of the following is the correct decision for a two-tailed hypothesis test?

What is the critical value for a repeated measures ANOVA with N=77, 6 levels for factor A, dfWG = 121, and an alpha level of 0.05?

For a sample with M = 80, a score of X = 88 corresponds to z = 2.00.  What is the sample standard deviation?

A researcher uses a repeated-measures ANOVA to test for mean differences among three treatment conditions using a sample of 10 participants.  What are the df values for the F-ratio from this analysis?

What is the primary reason someone would use a t-statistic instead of a z-test for a hypothesis test?