Which of the Following Are Assumptions Underlying the Use of the T

question 101

Multiple Choice

Which of the following are assumptions underlying the use of the t test for independent groups?

• A) the variance of each population is known
• B) the sampling distribution of must be normal
• C) the samples are drawn from populations having equal variances
• D) all of these
• E) the sampling distribution of must be normal and the samples are drawn from populations having equal variances

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