4. Suppose that we roll three fair dice. (a) What is the expected value of the sum of the numbers that come up? (b) What is the variance of the sum of the numbers that come up?

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Q: In analysis of variance problem if SST = 150 and SSTR = 100, then SSE is

A: It is known that, SSE = SST-SSTR.

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Q: Find the variance of the sample 3, 5, 7.

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Q: In an analysis of variance problem if SST = 120 and SSTR = 90, then SSE is

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