Author: Anonymous

What is the critical value for a correlation with n=25, two-tailed, and an alpha level of 0.05?

A set of N = 10 scores has a mean of µ = 50.  If 20 points are added to one of the scores, what is the new value for the population mean?

A researcher studies the number of dogs in an average household in Wisconsin. The number of dogs is an example of a(n) _________ variable.

For an independent-measures t statistic, what is the effect of increasing the number of scores in the samples?

Two samples, each with n = 8, produce an independent-measures t statistic of t = –2.15.  Which of the following decisions is justified?

A population of scores has µ = 80.  In this population, a score of X = 86 corresponds to z = +2.00.  What is the population standard deviation?

On average, what value is expected for the F-ratio if the null hypothesis is true?

The results of a repeated-measures ANOVA are reported as follows, F(2, 24) = 1.12, p > .05.  How many individuals participated in the study?

Two samples, each with n = 8, produce an independent-measures t statistic of t = –2.15.  Which of the following decisions is justified?

Which of the following is an accurate definition of a Type II error?