Will give thumbs up!!! For (a), round off to 2 decimal places. For (b) round off to a whole number. DO THESE!1. The grades of a class of 9 students on a midterm report (x) and on the finalexamination (y) are as follows:X77 50 717281 94 9699 67y82 66 78 3447 85 9999 68a. Find the equation of the regression line. (Two decimal places).b. Estimate the final examination grade of a student who received a grade of85 on the midterm report. Round off to whole no.

We need to find the equation of the regression line y=mx+b for the data. x y 77 82 50 66 71…

Answered: DO THESE! 1. The grades of a class of 9…

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter4: Polynomial And Rational Functions

Section4.6: Variation

Problem 2E

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The grades of a class of 9 students on a midterm report (x) and on the final examination (y) are as follows: (10) (x) 70 55 72 72 81 94 96 99 67 (y) 80 67 78 34 47 85 99 99 68 a. Find the equation of the regression line. b. Estimate the final examination grade of a student who received a grade of 85 on the midterm report but was ill at the time of the final examination. c. Compute the standard error of estimate.yxS.
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