How to assume the samples are independent


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Q: Given: X ¯ = 97, sx = 16, nx = 64, Y ¯ = 90, sY = 18, nY = 81; assume the samples are independent. Construct a confidence interval of μX - μY according to (a) C = .95 and (b) C = .99

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Basic Statistics: How to assume the samples are independent
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