Question

To compare the student GPAs of two different schools, 72 students of Health and Public Safety...

To compare the student GPAs of two different schools, 72 students of Health and Public Safety and 30 students of Business were randomly selected and their GPA was recorded. The survey results are summarized in the following table:

Health & Public Safety

Business

n

72

30

Mean rating

3.60

3.55

Sample standard deviation

0.49

0.52

Is there sufficient evidence at the 5% significance level that Health and Public Safety have a higher GPA? Do not round intermediate calculations.

Math   Statistics-And-Probability   
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