The grades of 7 students in the midterm and final grading period are shown in the table. Find theequation of the regression line.80787682848575y84797586847778y = 40.2x + 0.5xy = 40.29 0.5xO XXXWO wxwxy = 40.29 + 0.5xXXXXXXWXy = 40.29x + 0.5

First we find required data from table. Then we calculate line of regression using formula.

Answered: The grades of 7 students in the midterm…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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The grades of 7 students in the midterm and final grading period are shown in the table. Find the equation of the regression line. X 80 78 76 82 84 85 75 y 84 79 75 86 84 77 78