; Statistics Confidence Interval - Confidence interval for the population mean
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# Statistics Confidence Interval - Confidence interval for the population mean

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Confidence interval for mean. - The mean monthly salary of a random sample of 64 college graduates under the age of 30 was found to be \$1325 with a standard deviation of \$680. Construct a 99% confidence interval for , the population mean of monthly salaries of all college graduates under the age of 30. Interpret your answer in the context of the problem.

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```									              Sub: Statistics                                                                Topic:Confidence Interval

Question:
Confidence interval for mean.

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The mean monthly salary of a random sample of 64 college graduates under the age of 30 was
found to be \$1325 with a standard deviation of \$680. Construct a 99% confidence interval
for  , the population mean of monthly salaries of all college graduates under the age of 30.