Determine given for a random sample

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Reference no: EM131398341

Answer the same question posed in Exercise 1, except replace means with sample variances.

Exercise 1
In Exercise 2, again suppose you sample n = 12 subjects and compute the sample mean. If you repeat this process 1000 times, each time using n = 12 subjects, and if you averaged the resulting 1000 sample means, approximately what would be the result? That is, approximate the average of the 1000 sample means.

Exercise 2
Determine E(X‾) and σx2 for a random sample of n = 12 observations from a discrete distribution with the following probability function:

X:

1

2

3

4

P(x):

.2

.1

.5

.2

Reference no: EM131398341

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