Blog

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 mode for the following sample of n = 8 scores?  Scores:  0, 1, 1, 1, 2, 2, 3, 3

If the following distribution was shown in a histogram, the bar above the 15-19 interval would reach from ____ to ____.X              f20-24   215-19   510-14   45-9         1

Why do we square our deviations?

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 ____.

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?