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# Multiple Choice Questions in Business Statistics

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1. The F test statistic in a one-way ANOVA is
a. MSW/MSA.
b. SSW/SSA.
c. MSA/MSW.
d. SSA/SSW

2. In a two-way ANOVA the degrees of freedom for the interaction term is
a. (r - 1)(c - 1).
b. rc(n - 1).
c. (r - 1).
d. rcn + 1.

3. The Kruskal-Wallis Rank Test for Differences in more than two medians is a nonparametric alternative to
a. Fisher's ANOVA F test for completely randomized experiments.
b. Student's t test for related samples.
c. Student's t test for independent samples.
d. Wilcoxon's Rank Sum Test for differences in two medians.

4. In a one-way ANOVA
a. an interaction term is present.
b. an interaction effect can be tested.
c. there is no interaction term.
d. the interaction term has (c - 1)(n - 1) degrees of freedom.

5. When testing for independence in a contingency table with 3 rows and 4 columns, there are ________ degrees of freedom.
a. 5
b. 6
c. 7
d. 12

#### Solution Preview

1. The F test statistic in a one-way ANOVA is
a. MSW/MSA.
b. SSW/SSA.
c. MSA/MSW.
d. SSA/SSW

2. In a two-way ANOVA the degrees of freedom for the interaction term is
a. (r - 1)(c - 1).
b. rc(n - 1).
c. (r - 1).
d. rcn + 1.

Answer: a. (r - 1)(c ...

#### Solution Summary

Answers to 5 Multiple choice questions on one-way ANOVA , two-way ANOVA, Kruskal-Wallis Rank Test for Differences, contingency table.

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