1. Which of the following would cause F obt to increase?

1. Which of the following would cause Fobt to increase?

a. an increase in the difference between the means       

b. an increase in the within-groups variability

c. an increase in the magnitude of the independent variable's effect

d. a and c

2. If dfB = 6 and df W = 12, using a = 0.05, Fcrit = ______.

           a. 19.42          b. 4.60            c. 3.74            d. 3.00

3. Using the Fischer's LSD test, if there are 16 df associated with MS within, and a = 0.05 and the number of groups = 3, the critical t we would use to calculate our critical difference is

           a. 2.12            b. 3.00                       c. 3.65                        d. 4.79

4. Using the Tukey test, if there are 16 df associated with MS within, and a = 0.05 and the number of groups = 5, Qcrit = ______.

           a. 4.13                        b. 3.00                       c. 4.33                        d. 4.79

5. Using the Neuman Keuls test, if there are 18 df associated with MS within, and a = 0.05 and the number of groups = 6, what would be our Qcrit to evaluate means that are FIVE steps apart?

           a. 4.28                        b. 3.00                       c. 3.65                        d. 4.79

6. Using the Bonferroni t-test, if there are 16 df associated with MS within, and a = 0.05 and the number of comparisons we want to make is 5, the critical t we would use to calculate our critical difference is

           a. 2.12            b. 3.00                       c. 3.65                        d. 2.92