For a sample with M = 50 and s = 12, what is the X value corresponding to z = –0.25?

In an analysis of variance, which of the following is determined by the size of the sample mean differences?

What is the critical value for factor A in a Factorial ANOVA with N=25, 4 levels for factor A and 5 levels for factor B, and an alpha level of 0.05?

What is the critical value for factor A in a Factorial ANOVA with N=52, 6 levels for factor A and 5 levels for factor B, and an alpha level of 0.05?

Assuming that there is a 5-point difference between the two sample means, which set of sample characteristics is most likely to produce a significant value for the independent-measures t statistic?

What is the value of (ΣX)2 for the following scores?  Scores: 1, 5, 2

What value is estimated with a confidence interval using the repeated-measures t statistic?

For a sample with M = 50 and s = 12, what is the X value corresponding to z = –0.25?

One item on a questionnaire asks students how many times in a typical week they eat at a fast-food restaurant.  The responses for a sample of n = 10 students are summarized in the frequency distribution. What is the best measure of central tendency for these data?X                             f5 or more          24                             33                             22                             11                             10                             1

What is the critical value for a repeated measures ANOVA with N=25, 4 levels for factor A, dfWG = 52, and an alpha level of 0.05?