School Enrollment Tuition ($) GMAT JobOffer% Salary ($) Dartmouth College 503 38

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School Enrollment Tuition ($) GMAT JobOffer% Salary ($) Dartmouth College 503 38400 704 119800 U. of Michigan 1873 33076 690 91 105986 Carnegie Mellon U. 661 38800 691 93 95531 Northwestern U. 2650 38844 700 94 117060 Yale U. 468 36800 696 86 104018 U. of Pennsylvania 1840 40458 716 92 117471 U. of Cal., Berkeley 1281 21512 701 92 112699 Columbia U. 1796 38290 709 95 126319 U. of N. Carolina 855 16375 652 86 92565 U. of Southern Cal. 1588 37558 685 82 88839 Firefox File Edit View History Bookmarks Tools Window Help Take a Test - Mozilla Firefox: i https://www.mathxl.com/Student/PlayerTest.aspx?testId=121296061&centerwin;=yes rch 2/26/16 3:33 PM Quiz: Excel Assignment Quiz Overview Sign in This Question: 3 pts This Test: 22 pts 3 of 8 complete Give a practical interpretation of the slope of the least squares line: (OA. The mean tuition is estimated to increase by $.51 for each $ increase in average starting salary OB. The mean average starting salary is estimated to increase by S.51 for each S1 increase in tuition. | · OC. Average starting salary will increase by $.51 for each $1 increase in tuition. OD. The mean average starting salary is estimated to increase by $90,765.91 for each S.51 increase in tuition. The slope interpretation is meaningful over the range of x-values: (Enter the values separated by only a hypen no other punctuation or symbols) Does the estimated slope support the relationship between the two variables you hypothesized? OA. No, because the hypothesized slope was positive and the estimated slope coefficient is OB. No, because the hypothesized slope was negative and the sign on the estimated slope coefficient is positive OC. Yes, because the hypothesized slope was positive and the sign on the estimated slope coefficient is positive OD. None of the above More The slope interpretation is meaninghul over the raige o uaytlatism negative Click to select your answer(s) Previous Question Next Question Submit Quiz FEB

Explanation / Answer

(A) The mean tuition is estimated to increase by $51 for each $ increase in average starting salary.

(C) Yes, because the hypothesized slope was positive and the sign on the estimated slope coefficient is positive.

Coefficients Intercept 90765.91115 Slope 0.507563335

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