Do students that study more have a higher GPA? Explain.

timer Asked: May 1st, 2015

Question description

1.a. Calculate  summary statistics for GPA.  
1.b. Calculate a 95% confidence interval for the mean GPA of the population

Mean            2.99
Median            3.01
Standard Deviation 0.42
Standard Error 0.04
Lower Limit 2.90
Upper Limit 3.07

How can I use this information to conclude if students that study more have a higher GPA?
2. Do students that study more have a higher GPA?  Explain.

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