What is the critical value for a regression analysis with n=77, 1 predictor variable, and an alpha level of 0.05?

A sample with a mean of M = 40 and a variance of s2 = 20 has an estimated standard error of 2 points. How many scores are in the sample?

What kind of frequency distribution graph shows the frequencies as bars that are separated by spaces?

If all other elements are held constant, how does the denominator of the F-ratio for a repeated measures ANOVA compare to the denominatorfor a between-subjects ANOVA?

Transform the z-score back into a raw score. Z= 1.75, M= 56, s= 4.

The data from an independent-measures research study produce a sample mean difference of 4 points and a pooled variance of 16.  If there are n = 8 scores in each sample, then what is the estimated standard error for the sample mean difference?

If we are testing whether eating gummy bears affects weight, what is the independent variable?

What is the value of the median for the following set of scores?Scores: 1, 3, 4, 6, 7, 8, 12, 23

What proportion of scores fall above the z-score of -1.57?

A set of scores ranges from a low of X = 43 to a high of X = 100. The scores are placed in a grouped frequency distribution table with an interval width of 8 points. What would the bottom interval of the table be?