How do unit increases in and variance of the sampling distribution of totals? an increases, the mean remains unchanged, but the variance increases on a linear basis mean increases by E(X) and the variance by Var(X) with each unit increase in n otal of the averages and the total of the variability increase logarithmically with unit increases in n ean remains unchanged (u), but the variance decreases with unit increases in n an and the variance remain unchanged

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A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

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A: Let μ denote the population mean and x⎯⎯ denotes the sample mean. Then, μ=12.8 and x⎯⎯=12.2 Let n be…

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A: Use tan theta

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A: Clearly the line is passing through the origin.

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A: e) -1+ is greater than -1, so we will take the second piece of the function

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Q: M 10- B 12 A 13 R perimeter = 28 Y

A: Since you have asked multiple question, we will solve the first 3 question for you as per our guide…