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A Pearson correlation is computed for a sample of n = 18 pairs of X and Y values.  What correlations are statistically significant with a = .05, two tails?

A repeated-measures experiment compares three treatment conditions with a sample of 10 participants.  If the data are analyzed with ANOVA, the analysis would have dftotal = ____.

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 main effect for factor A but not factor B?     B1 B2 A1 14 13 A2 6 ?

A chi-square test for independence is being used to evaluate the relationship between two variables, one of which is classified into three categories and the second of which is classified into four categories.  The chi-square statistic for this test would have df equal to ____.

A 99% confidence interval for the population mean ranges from 46 to 50. Based on this information:

A sample of n = 8 scores has SS = 50.  If these same scores were a population, then the SS value for the population would be ____.

If you take two random samples from a population you will probably get two different means for the samples. What causes this?

A Pearson correlation is computed for a sample of n = 18 pairs of X and Y values.  What correlations are statistically significant with a = .05, two tails?

For a population with µ = 60, which of the following values for the population standard deviation would cause X = 68 to have the most extreme position in the distribution (i.e., furthest distance from the center of the distribution) ?

Which of the following z-score values represents the location closest to the mean?