Phone Center The Nome Ice Company was in business for only three days (guess why). Here are

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Phone Center The Nome Ice Company was in business for only three days (guess why). Here are the numbers of phone calls received on each of those days: 10, 6, 5.

Assume that samples of size 2 are randomly selected with replacement from this population of three values.

a. List the 9 different possible samples and find the mean of each of them.

b. Identify the probability of each sample and describe the sampling distribution of sample means (Hint: See Table 5-3.)

c. Find the mean of the sampling distribution.

d. Is the mean of the sampling distribution (from part [c]) equal to the mean of the population of the three listed values? Are those means always equal?

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Elementary Statistics

ISBN: 9780201775709

9th Edition

Authors: Mario F. Triola

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