A researcher wants to test the significance of the differences of the average performance of more than…
To test the statistical significance of differences among the means (average performance) of more than two sample groups drawn from normally distributed populations,…
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A researcher wants to test the significance of the differences of the average performance of more than two sample groups drawn from a normally distributed population, which one of the following hypothesis-testing tests is appropriate ?
Answer and explanation
Correct answer B
To test the statistical significance of differences among the means (average performance) of more than two sample groups drawn from normally distributed populations, Analysis of Variance (ANOVA) using Snedecor's F-test (ratio of between-group variance to within-group variance) is the appropriate parametric test.
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