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A study was conducted to determine whether the final grade of a student in an introductory psychology course is linearly
Posted: Wed May 11, 2022 10:05 am
by answerhappygod
- A Study Was Conducted To Determine Whether The Final Grade Of A Student In An Introductory Psychology Course Is Linearly 1 (81.05 KiB) Viewed 26 times
A study was conducted to determine whether the final grade of a student in an introductory psychology course is linearly related to his or her performance on the verbal ability test administered before college entrance. The verbal scores and final grades for all 10 students in the class are shown in the table below. StudentVerbal Score x Final Grade y 1 77 78 2 26 88 3 32 86 4 63 61 5 28 77 6 40 72 7 47 94 8 26 90 9 55 99 10 55 71 Find the following: (a) The correlation coefficient: r = (b) The least squares line: Û = (c) Calculate the residual for the fourth student: