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

Question - A local university administers a comprehensive examination to the candidates for B.S. degrees in
Business Administration. Five examinations are selected at random and scored. The scores are
shown below.
Grades
80
90
91
62
77
a. Compute the mean and the standard deviation of the sample.
b. Compute the margin of error at 95% confidence.
c. Develop a 95% confidence interval estimate for the mean of the population. Assume the
population is normally distributed.

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