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Each year a nationally recognized publication conducts its Survey of America s Best Graduate and...

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Each year a nationally recognized publication conducts its Survey of America s Best Graduate and Professional Schools An academic advisor wants to predict the typical starting salary of a graduate at a top business school using GMAT score of the school as a predictor variable A simple linear regression of SALARY versus GMAT using 25 data points shown below bo 92040 b 228 R 0 66 Give a practical interpretation of R 0 66 OA We estimate SALARY to increase 66 for every 1 point increase in GMAT We can predict SALARY correctly 66 of the time using GMAT in a straight line model OC 66 of the differences in SALARY are caused by differences in GMAT scores O B r 0 81 D 66 of the sample variation in SALARY can be explained by using GMAT in a straight line model

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