Question 19 1 out of 1 points degrees of freedom must

• 11

This preview shows page 7 - 10 out of 11 pages.

Question 19 1 out of 1 points _____ degrees of freedom must be calculated in a within-groups ANOVA. Selected Answer: Four Answers: Five Two Three Four
Question 20 1 out of 1 points A measure of variability that is essentially an average of the sample variances is the:
within-groups variance. proportionate reduction in error. Question 21 0 out of 1 points For the data in the source table, what is the F statistic of interest to researchers? Source SS df MS F Between-groups 12.159 3 4.053 Subjects 6.77 5 1.354 Within-groups 20.4 15 1.360 Total 39.329 23
Question 22 0 out of 1 points For the data in the source table, what decision can be made about the hypotheses being tested? Source SS df MS F Between-groups 12.159 3 4.053 Subjects 6.77 5 1.354 Within-groups 20.4 15 1.360 Total 39.329 23
Question 23
1 out of 1 points For the data in the source table, what is the effect size for this one-way within- groups ANOVA? Source SS df MS F Between-groups 10.1 2 5.05 4.751 Subjects 7.4 4 1.85 1.740 Within-groups 8.5 8 1.063 Total 26 14 Selected Answer: 0.54 Answers: 0.54 0.24 0.13 0.39
Question 24 1 out of 1 points Cohen's d cannot be used as a measure of effect size for ANOVA because:
Question 25 1 out of 1 points The z, t, and F distributions have something in common—the numerator of the test statistic:
• • • 