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Data from a sample of randomly selected FRESHMEN students is shown below. The variables collected are: Exercise - the number of hours a student exercise per week Debt - the amount of student loan debt (in thousands of dollars) a student is expected to graduate with Age . the age of a student GPA - the GPA of a student Descriptive Statistics for Year - Freshman Variable Lo 95% CI He an Up 95% CI SD Exercise 29 5. 3191 7.8621 18.485 6.6854 Debt 25 2. 4186 8. 3208 14. 221 14.297 Age 31 18.192 18.419 18. 647 9.6204 GPA 9.4803 3.6219 3. 7636 9. 3861 In order to interpret the CI for the average ages of all freshman students, which of the following statements is true? O No assumption is needed about the age values in the population since the sample size is considered large. O The population mean age needs to be approximately normally distributed. The age values in the population would need to be approximately normally distributed, O The age values in the population would need to be an approximate t-distribution with n-1 degrees of freedom