Given the following GPA for 4 students: 2, 3, 3, 4. Age of students are: 10, 11,12,15. There are 10,000 total students. Average GPA: Unknown, Standard Deviation of GPA: 0.02 and it’s Normal. A) Find the mean and standard deviation for GPA. B) Calculate a 95% confidence interval for the populations mean GPA. C) Use Correlation formula to find r between GPA and Age.

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