If the Two Groups You Are Comparing Are Related to Each

question 17

Multiple Choice

If the two groups you are comparing are related to each other, what test should you use?

• A) factor analysis
• B) MANOVA
• C) t-test for independent means
• D) t-test for dependent means

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Definitions:

Significance Level

The probability of rejecting the null hypothesis in a statistical test when it is actually true, typically denoted by alpha (α), used as a threshold to gauge the strength of the evidence against the null hypothesis.

Test Statistic

A statistic calculated from sample data that is used in a hypothesis test to decide whether to reject the null hypothesis.

Sample Proportion

The ratio of members within a sample that possess a particular trait or characteristic, relative to the total sample size.

Null Hypothesis

The hypothesis that predicts no interaction or association between variables, serving as the benchmark for statistical testing.