Question: i need help with this question. can you please show me how this is done on a piece of paper? 3.Given the following GPA for

i need help with this question. can you please show me how this is done on a piece of paper?

3.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. d. Find the equation of the Regression line

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