Data comprises of the number of hours studied (X) and the exam grade (Y) obtained for 6 first year students registered at UWC. The equation of best fit is given by: y = 67.071 + 4.535x. What is the correct interpretation of the equation? A. Every extra hour spent studying will likely result in better exam performance shown by a mark increase of about 67.07%. B. Every extra hour spent studying will likely result in better exam performance shown by a mark increase of about 4.54%. C. A 1 unit increase in y will lead to an increase of 4.535 units in x, D. Every extra hour spent studying will likely result in better exam performance shown by a mark increase of about 67.07+4.54% = 71.61%.

Given that Regression equation y = 67.071 + 4.535x.

Answered: What is the correct interpretation of…

College Algebra

7th Edition

ISBN:9781305115545

Author:James Stewart, Lothar Redlin, Saleem Watson

Publisher:James Stewart, Lothar Redlin, Saleem Watson

Chapter1: Equations And Graphs

Section1.3: Lines

Problem 92E

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Data comprises of the number of hours studied (X) and the exam grade (Y) obtained for 6 first year students registered at UWC. The equation of best fit is given by: y = 67.071 + 4.535x. What is the correct interpretation of the equation?

A. Every extra hour spent studying will likely result in better exam performance shown by a mark increase of about 67.07%.
B. Every extra hour spent studying will likely result in better exam performance shown by a mark increase of about 4.54%.
C. A 1 unit increase in y will lead to an increase of 4.535 units in x,
D. Every extra hour spent studying will likely result in better exam performance shown by a mark increase of about 67.07+4.54% = 71.61%.

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