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.

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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