A set of n = 5 pairs of X and Y values has SSX = 16, SSY = 4 and SP = 2.  For these data, the Pearson correlation is ____.

If z obtained does not exceed the z critical, what decision do you make?

What is the difference between a positively and negatively skewed graph?

ANOVA is necessary to evaluate mean differences among three or more treatments, in order to:

For a set of scores, the mean is 8, and the standard deviation is 4. What is the z-score for the score 7?

The sample consists of n = 6 scores. The mean of the scores is M = 20. When a new score is added to the sample, the new mean is M = 21.  What was the new score that was added?

What is the critical value for a repeated measures ANOVA with n=32, 5 levels for factor A, , dfWG = 60, and an alpha level of 0.01?

Under what circumstances is a score that is 15 points above the mean an extreme score relatively far from the mean?

The data from a related samples t-test show that all of the subjects scored about 10 points higher in treatment I than in treatment II. These data will produce:

You have a score of X=20 on a quiz. Which set of parameters would give you the best grade on the quiz?