When Carrying Out a T Test for Independent Means

question 41

Multiple Choice

When carrying out a t test for independent means

• A)the medians of the two populations are assumed to be equal.
• B)the null hypothesis is rejected if the computed t score is more extreme than the cutoff t score.
• C)only the .01 significance level should be used because of the greater power compared to a t test for dependent means.
• D)only the .10 significance level should be used because of the assumption that the variances of the two distributions should be equal.

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