Answer to Question #342360 in Statistics and Probability for Lol

Question

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 Regression Line Equation

e. If a student’s age is 13, what is the corresponding GPA?

Answer 1

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