Which of the Following Statements Regarding the Equal-Standard-Deviations Assumption of the Pooled

question 38

Multiple Choice

Which of the following statements regarding the equal-standard-deviations assumption of the pooled t-test is the most accurate?

• A)The pooled t-test is robust to moderate violations of the assumption provided the sample sizes are large.
• B)The pooled t-test is robust to moderate violations of the assumption provided the sample sizes are roughly equal.
• C)The pooled t-test is robust to moderate violations of the assumption regardless of the sample sizes.
• D)The pooled t-test is extremely nonrobust to violations of the assumption.

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