A simple random sample of a population of size 2000 yields

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QUESTION:

A simple random sample of a population of size 2000 yields the following 25 values:

a. Calculate an unbiased estimate of the population mean.

b. Calculate unbiased estimates of the population variance and \(\operatorname{Var}(\bar{X})\).

c. Give approximate 95% confidence intervals for the population mean and total.

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QUESTION:

A simple random sample of a population of size 2000 yields the following 25 values:

a. Calculate an unbiased estimate of the population mean.

b. Calculate unbiased estimates of the population variance and \(\operatorname{Var}(\bar{X})\).

c. Give approximate 95% confidence intervals for the population mean and total.

ANSWER:

Step 1 of 4

Given:

The size of the population is .

The size of the sample is . 

The sample values are provided as,

104 ,109, 111, 109, 87, 86 ,80 ,119 ,88 ,122 ,91, 103 ,99 ,108 ,96, 104 ,98 ,98 ,83 ,107 79, 87 ,94, 92 ,97

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