An academic advisor wants to predict the typical starting salary of a graduate at a top business school using the GMAT Score of the school as a predictor variable. A simple linear régression of SALARY versus GMAT using 25 data points is shown below. FO= -92040 $1 = 228 s = 3213 r2 = .66r = .81 df = 23 t = 6.67 %3D Give a practical interpretation of r2 = .66. %3D O We expect to predict SALARY to within 2 N.66 of its true value using GMAT in a straight-line model. We can predict SALARY correctly 66% of the time using GMAT in a straight-line model. O 66% of the sample variation in SALARY can be explained by using GMAT in a straight-line model. We estimate SALARY to increase $.66 for every 1-point increase in GMAT.
An academic advisor wants to predict the typical starting salary of a graduate at a top business school using the GMAT Score of the school as a predictor variable. A simple linear régression of SALARY versus GMAT using 25 data points is shown below. FO= -92040 $1 = 228 s = 3213 r2 = .66r = .81 df = 23 t = 6.67 %3D Give a practical interpretation of r2 = .66. %3D O We expect to predict SALARY to within 2 N.66 of its true value using GMAT in a straight-line model. We can predict SALARY correctly 66% of the time using GMAT in a straight-line model. O 66% of the sample variation in SALARY can be explained by using GMAT in a straight-line model. We estimate SALARY to increase $.66 for every 1-point increase in GMAT.
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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