What is one way to see if there is an interaction for 2×2 ANOVA?

Dr Gallimore notices that students that complete examinations early appear to receive better grades than students that hang on to examinations until the last possible moment. The relationship between test score and exam time is an example of  _______________ .

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 A, factor B, and no interaction?     B1 B2 A1 13 16 A2 16 ?

A researcher reports an F-ratio with df = 2, 18 from an independent-measures research study.  Based on the df values, how many treatments were compared in the study and what was the total number of subjects participating in the study?

A researcher reports an F-ratio with df = 2, 18 from an independent-measures research study.  Based on the df values, how many treatments were compared in the study and what was the total number of subjects participating in the study?

Two samples from the same population both have n = 10 scores with M = 45.  If the t statistic is computed for each sample, then what is the relationship between the two t values?

An independent-measures research study uses two samples, each with n = 12 participants.  If the data produce a t statistic of t = 2.50, then which of the following is the correct decision for a two-tailed hypothesis test?

An independent-measures research study uses two samples, each with n = 12 participants.  If the data produce a t statistic of t = 2.50, then which of the following is the correct decision for a two-tailed hypothesis test?

If an analysis of variance is used for the following data, what would be the effect of changing the value of M2 to 20?Sample DataM1 = 10    M2 = 15SS1 = 90    SS2 = 70

For a sample with s = 12, a score of X = 73 corresponds to z = 1.00.  What is the sample mean?