Consider Independent Simple Random Samples That Are Taken to Test

question 56

Multiple Choice

Consider independent simple random samples that are taken to test the difference between the means of two populations. The variances of the populations are unknown but are assumed to be equal. The sample sizes of each population are n₁ = 37 and n₂ = 45. The appropriate distribution to use is the ________.

• A)t-distribution with df = 82
• B)t-distribution with df = 81
• C)t-distribution with df = 41
• D)t-distribution with df = 80

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