For the data provided in the table below, find 90%, 95%, and 99% confidence intervals for the mean GPA. Compute the confidence intervals using the appropriate formulas and verify your results using the Excel Confidence Intervals template.

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Author:Amos Gilat
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For the data provided in the table below, find 90%, 95%, and 99% confidence intervals for the mean GPA. Compute the confidence intervals using the appropriate formulas and verify your results using the Excel Confidence Intervals template. 

Grade Point Averages  
     
Gender College GPA
Female Arts and Sciences 2.68
Male Engineering 2.80
Male Education 2.92
Male Engineering 3.00
Male Engineering 3.01
Female Arts and Sciences 3.13
Male Engineering 3.14
Female Engineering 3.17
Female Nursing 3.20
Male Engineering 3.20
Female Nursing 3.20
Female Arts and Sciences 3.21
Female Nursing 3.25
Female Business 3.26
Female Nursing 3.26
Female Health Science 3.28
Female Education 3.29
Female Nursing 3.34
Female Nursing 3.36
Female Nursing 3.40
Female Education 3.44
Female Education 3.45
Female Nursing 3.48
Female Arts and Sciences 3.50
Male Engineering 3.51
Female Arts and Sciences 3.61
Female Nursing 3.67
Female Health Science 3.70
Male Engineering 3.72
Female Arts and Sciences 3.72
Male Business 3.74
Male Business 3.75
Female Health Science 3.76
Female Education 3.80
Male Engineering 3.87
Female Nursing 3.4
Female Health Science 3.85
     
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