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A researcher records the change in weight (gain or lost) during the first semester of college for each individual in a group of 25 freshmen, and calculates the average change in weight.  The average is an example of a ____.

Why do we square our deviations?

What is the shape of the distribution for the following set of data?Scores: 1, 2, 3, 3, 4, 4, 4 5, 5, 5, 5, 6

What is the critical value for factor B in a Factorial ANOVA with N=46, 5 levels for factor A and 6 levels for factor B, and an alpha level of 0.01?

Which of the following is not an appropriate independent variable for Factorial ANOVA?

For an independent-measures research study, the data show a 10-point difference between the two treatment means and a pooled variance of 16. Given this information, the value of Cohen’s d is:

Two samples, each with n = 5 scores, have a pooled variance of 40.  What is the estimated standard error for the sample mean difference?

A sample obtained from a population with s = 12 has a standard error of 2 points.  How many scores are in the sample?

If a two-factor analysis of variance produces a statistically significant interaction, then what can you conclude about the interaction?

For a population with a standard deviation of s = 6, what is the z-score corresponding to a score that is 12 points above the mean?