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Hypothesis Tests for Three or More Population Means MCQ

_____ measures the variability within a group for an ANOVA.

Within Group Sum

Within Group Sum Of Squares

Within Group Sum Of Means

All of these

Answer

Correct Answer: Within Group Sum Of Squares

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_____ tests the difference between a series of group mean combinations after the null hypothesis from an ANOVA has been rejected.

HSD

Eta Squared

None of these

Answer

Correct Answer: HSD

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______ measures the total variability in the sample for an ANOVA.

Total Sum

Total Sum of Means

Total Sum of Squares

Total Mean of Squares

Answer

Correct Answer: Total Sum of Squares

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Eta Squared describes the ratio of variance explained in the dependent variable by _____ variable.

Dependent

Independent

Continuous

Both a and b

Answer

Correct Answer: Independent

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CD Score is calculated by Tukey’s Honest Significant Difference (HSD) test to determine the significant difference between a series of group mean combinations after the null hypothesis from an ANOVA has been_____ .

Accepted

Rejected

Ignored

Both a and b

Answer

Correct Answer: Rejected

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_____ measures the variability between groups for an ANOVA.

Between groups Sum

Between Groups Sum of Squares

Between Groups Sum

All of these

Answer

Correct Answer: Between Groups Sum of Squares

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ANOVA is a statistical model used to test the differences between _____ or more group means.

One

Two

Three

Four

Answer

Correct Answer: Three

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