Question
An ice company was in business for only 3 days. Here are the numbers of phone calls received on those days: 9,8,2. Assume that the
An ice company was in business for only 3 days. Here are the numbers of phone calls received on those days: 9,8,2. Assume that the samples of size 2 are randomly selected with replacement from this population of three values.
List the different possible samples and find the mean of each of them.
Sample Mean
9-9 ?
9-8 ?
9-2 ?
8-9 ?
8-8 ?
8-2 ?
2-9 ?
2-8 ?
2-2 ?
2) Identify the probability of each sample and describe the sampling distribution of sample means
x Probability
9 ?
8.5 ?
8 ?
5.5 ?
5 ?
2 ?
* Type an interger or fraction. Do not simplify
C ) Find the mean of the sampling distribution
u = * round to 2 decimal places as needed
D ) Is the mean of the sampling distribution ( from part C ) equal to the mean of the population of the three listed values? If so are those means always equal?
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