Question: QUESTION 15 The t test for the difference between the means of 2 independent populations assumes that the respective a. sample variances are equal. b.

QUESTION 15 The t test for the difference between the means

QUESTION 15 The t test for the difference between the means of 2 independent populations assumes that the respective a. sample variances are equal. b. populations are approximately normal or sample sizes are at least 30. C. All other answers are correct. d. sample sizes are equal

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