Use the accompanying Grade Point Averages data to find 80%, 90%, and 99% confidence intervals for the mean GPA.

An 80% confidence interval for the mean GPA is?

An 90% confidence interval for the mean GPA is?

An 99% confidence interval for the mean GPA is?

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