Essay
The monthly incomes from a random sample of workers in a factory are shown below.
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.
Correct Answer:
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a.$597.61
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