university of southern california Operations And Supply Chain Management Assignment Help - Derivatives-A random

Question - The monthly incomes from a random sample of workers in a factory are shown below.
Monthly Income
(In $1,000)
4.0
5.0
7.0
4.0
6.0
6.0
7.0
9.0
a. Compute the standard error of the mean (in dollars).
b. Compute the margin of error (in dollars) at 95% confidence.
c. Compute a 95% confidence interval for the mean of the population. Assume the population has a
normal distribution. Give your answer in dollars.

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