Mathematics, 26.05.2021 20:50, iilovejohnccena1022

A population has a standard deviation of 97. We take a random sample of size 26 from this population. Let Xbar be the sample mean and let Xtot be the sample sum of our sample. These are random variables. a) What is the variance of this population

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A population has a standard deviation of 97. We take a random sample of size 26 from this population...

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