In a two-factor experiment with 2 levels of factor A and 2 levels of factor B, three of the treatment means are essentially identical and one is substantially different from the others.  What result(s) would be produced by this pattern of treatment means?

A population has SS = 100 and s2 = 4.  How many scores are in the population? 

Which combination of factors is most likely to produce a large value for the F-ratio?

The values in the following matrix are treatment means from a two-factor study. One of the means is missing. What value for the missing mean would most likely result in no main effect for factor B?     B1 B2 A1 10 8 A2 15 ?

SSbetween groups is a measure of what?

Samples of size n = 9 are selected from a population with M = 80 with s = 18.  What is the expected value for the distribution of sample means?

A kinesiology professor wants to conduct a hypothesis test to compare a sample of this year’s final exam scores to a sample of last years to see if the COVID-19 circumstances affected scores. What type of hypothesis test should he use?

In a two-factor experiment with 2 levels of factor A and 2 levels of factor B, three of the treatment means are essentially identical and one is substantially different from the others.  What result(s) would be produced by this pattern of treatment means?

What happens to the critical value for a chi-square test if the size of the sample is increased?

What is the null hypothesis for a two-tailed repeated-measures t-test?