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(a) Find the least-squares regression line treating the number of absences, x, as the explanatory variable and the final grade, y, as the response variab S- O (Round to three decimal places as needed.)

(a) Find the least-squares regression line treating the number of absences, x, as the explanatory variable and the final grade, y, as the response variab S- O (Round to three decimal places as needed.)

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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The data below represont the number of days absent, x, and the final grade, y, for a sample of college students at a large university. Complete parts (a) below No. of absences, x 1 88.5 85.6 82.7 80.2 772 728 63,1 67.7 649 62.0 4. 8 Final grade, y (a) Find the least-squares regression line treating the number fabsences, x, as the explanatory variable and the final grade, y, as the response variable (Round to three decimal places as needed.) (b) Interpret the slope and y-intercept, if appropriate. Interpret the slope. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. (Round to three decimal places as needed.) O A. For a final score of zero, the number of days absent is predicted to be days. sts • Chapter1 Pre-Test *- F11 F10 Cc FS F6 F7 F8 F2 F3 F4 @ 23 $ & 4 6. 7 8 9. 2 W R Y H J K B Send a chat 5 D. E SI
Transcribed Image Text:The data below represont the number of days absent, x, and the final grade, y, for a sample of college students at a large university. Complete parts (a) below No. of absences, x 1 88.5 85.6 82.7 80.2 772 728 63,1 67.7 649 62.0 4. 8 Final grade, y (a) Find the least-squares regression line treating the number fabsences, x, as the explanatory variable and the final grade, y, as the response variable (Round to three decimal places as needed.) (b) Interpret the slope and y-intercept, if appropriate. Interpret the slope. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. (Round to three decimal places as needed.) O A. For a final score of zero, the number of days absent is predicted to be days. sts • Chapter1 Pre-Test *- F11 F10 Cc FS F6 F7 F8 F2 F3 F4 @ 23 $ & 4 6. 7 8 9. 2 W R Y H J K B Send a chat 5 D. E SI
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