A local university administers a comprehensive examination to the recipients of a B.S. degree in Business Administration. A sample of 5 examinations is selected at random and scored. The scores are shown below.

a.Compute the sample mean and the standard deviation.
b.Determine the margin of error at 95% confidence.
c.At 95% confidence, determine an interval for the mean of the population.
At 98% confidence, determine an interval for the mean of the population.

Question

A local university administers a comprehensive examination to the recipients of a B.S. degree in Business Administration. A sample of 5 examinations is selected at random and scored. The scores are shown below.
  
a.Compute the sample mean and the standard deviation.
b.Determine the margin of error at 95% confidence.
c.At 95% confidence, determine an interval for the mean of the population.
At 98% confidence, determine an interval for the mean of the population.

Quizplus · Accepted Answer

The Answer of A local university administers a comprehensive examination to the recipients of a B.S. degree in Business Administration. A sample of 5 examinations is selected at random and scored. The scores are shown below.
  
a.Compute the sample mean and the standard deviation.
b.Determine the margin of error at 95% confidence.
c.At 95% confidence, determine an interval for the mean of the population.
At 98% confidence, determine an interval for the mean of the population.

A Local University Administers a Comprehensive Examination to the Recipients