On an exam with a mean of 70, you have a score of 65.  Which of the following values for the standard deviation would give you the highest position within the class, or the best score in class relative to other student’s scores?

When comparing three or more groups, why is ANOVA preferred?

A researcher conducts a hypothesis test using a sample of n = 40 from an unknown population  and compares it to a known population mean.  What is the df value for the t statistic?

The classrooms in the Psychology department are numbered from 100 to 108.  A professor records the number of classes held in each room during the fall semester.  If these values are presented in a frequency distribution graph, what kind of graph would be appropriate?

A researcher reports t(22) = 5.30, p < .01 for an independent-measures experiment.  How many individuals participated in the entire experiment?

One sample has n = 5 scores and the second has n = 10 scores.  If the pooled variance for the two sample is 30, then what is the value of the estimated standard error for the sample mean difference?

What is the value of SS (sum of squared deviations) for the following sample?Sample:  2, 3, 4, 7

The following table shows the results of a between-subjects ANOVA. Based on this table, what is the value for eta squared (η2), the percentage of variance accounted for?      Source                         SS        df        MS            Between Groups   16        2          8                Within Groups       84        21        4                Total                            100      23       

The data from an independent-measures research study produce a sample mean difference of 6 points and an estimated standard error of 2 points.  If there are n = 8 scores in each sample, then the value for the t statistic is ____.

Which of the following is a basic assumption for a chi-square hypothesis test?