# Question: For the Georgia Student Survey data file on the text

For the Georgia Student Survey data file on the text CD, the table shows the correlation matrix for college GPA, high school GPA, and daily time spent watching TV.

a. Interpret r and r2 between time spent watching TV and college GPA.

b. One student is 2 standard deviations above the mean on high school GPA. How many standard deviations would you expect that student to be above the mean on college GPA? Use your answer to explain “regression toward the mean.”

a. Interpret r and r2 between time spent watching TV and college GPA.

b. One student is 2 standard deviations above the mean on high school GPA. How many standard deviations would you expect that student to be above the mean on college GPA? Use your answer to explain “regression toward the mean.”

**View Solution:**## Answer to relevant Questions

Refer to the association you investigated in Exercise 12.7 between study time and college GPA. Using software or a calculator with the data file you constructed for that exercise, a. Find and interpret the correlation. b. ...The owner of Bertha’s Restaurant is interested in whether an association exists between the amount spent on food and the amount spent on drinks for the restaurant’s customers. She decides to measure each variable for ...Refer to the previous exercise. Of the 100 homes, 25 were in a part of town considered less desirable. For a regression analysis using y = selling price and x = size of house for these 25 homes, a. You plan to test H0: β = ...Refer to the association you investigated in Exercises 12.8 and 12.22 between skipping class and college GPA. Using software with the data file you constructed, construct a 90% confidence interval for the slope in the ...For a population regression equation, why is it more sensible to write μy = α + βx instead of y = α + βx? Explain with reference to the variables x = height and y = weight for the population of girls in elementary ...Post your question