Grades The professor teaching the Introductory Statistics class discussed in Exercise 47
Chapter 26, Problem 48(choose chapter or problem)
Grades? The professor teaching the Introductory Statistics class discussed in Exercise 47 wonders whether performance on homework can accurately predict midterm scores. a) To investigate it, she fits a regression of the sum of the two midterms scores on homework scores. Fit the regression model. b) Comment on the model including a discussion of the assumptions and conditions for regression. Is the coefficient for the slope statistically significant? c) Do you think she can accurately judge a students performance without giving the midterms? Explain.
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