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Exam (elaborations)

ANOVA Practice Questions – Statistical Analysis Exercises with Solutions

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This document contains a complete set of practice questions on Analysis of Variance (ANOVA). It includes multiple-choice questions covering statistical significance, mean and standard deviation reporting, pairwise comparisons, independent and dependent variables, hypothesis testing, and interpretation of F-tests. The exercises focus on understanding ANOVA results, interpreting p-values, and comparing group means across different cohorts.

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Which statement summarizes the overall results of the analysis accurately?
a) The analysis of variance (ANOVA) was statistically significant, F (2, 3597) = 29.5, p<
.001.
b) The analysis of variance (ANOVA) was not statistically significant, F (2, 3597) =, p <
.001.
c) The analysis of variance (ANOVA) was not statistically significant, F (2, 3599) = 29.5,
p< .001.
d) The analysis of variance (ANOVA) was statistically significant, F (29.5) = .001.
Which statement captures the relationship that can be inferred from the findings of
ANOVA?
a) These results indicate that people from different racial groups have different perspectives.
b) These results indicate that race differs as a function of warmth toward conservatives.
c) These results indicate that warmth toward individuals who identify as part of a minority
group differs as a function of conservativism.
d) These results indicate that warmth toward conservatives differs as a function of race.
Provide the correct report for the mean and standard deviation from those who identify as
Black.
a) (M= 58.692, SD= 18.715)
b) (M= 56.405, SD= 17.963)
c) (M= 50.928, SD= 18.715)
d) (M= 50.928, SD= 22.872)
Which statement appropriately captures the pairwise differences found in the follow up t
tests?
a) Individuals who identify as Other have higher warmth toward conservatives than those
who identify as Black or White.
b) Individuals who identify as Black have lower warmth toward conservatives than those
who identify as White or Other.
c) There are no differences in warmth toward conservatives between racial groups.
d) Individuals who identify as Black have higher warmth toward conservatives than those
who identify as White or Other.
Which p value corresponds to the pairwise comparison between those who identify as
Black and those who identify as Other?
a) p= .418
b) p < .001
c) p > .05
d) p= .019
What is the independent variable in this analysis?

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