5 The following data show salaries y and the grade point averages z for students...
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5 The following data show salaries y and the grade point averages z for students who obtained a bachelor s degree in Economics The estimated regression equation for these data is 1790 5 581 1z Show steps when applicable I 2 6 3 4 3 6 3 2 3 5 2 9 y 3300 3600 4000 3500 3900 3600 a When no information for GPA is given the estimate of salary is b In the given data how much is the estimated error when the GPA is 2 9 c If Jim has a perfect GPA 4 0 how much salary can he expect d If Jack increases his GPA by 1 0 how much more salary can he expect
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