A 95% confidence interval for the population mean ranges from 24 to 32. Based on this information:

An ANOVA produces SSbetween groups = 40 and MSbetween groups = 10. In this analysis, how many treatment conditions are being compared?

An 80% confidence interval for the population mean ranges from 14 to 22. Based on this information:

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:

For the following distribution of quiz scores, if a score of X = 3 or higher is needed for a passing grade, how many individuals passed?X    f 5    64    53    52    31    2

What proportion of scores fall below z = +.81 but above the mean?

A researcher obtains a Pearson correlation of r = .43 for a sample of n = 20 participants.  For a two-tailed test, which of the following accurately describes the significance of the correlation?

A 95% confidence interval for the population mean ranges from 24 to 32. Based on this information:

For which of the following situations would a repeated-measures design have an advantage over an independent-measures design?

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: