URGENT PLEASE ANSWER WITHIN THE NEXT HOUR WITH EXPLENATIONS Based on the data from 10 students, the regression equation relating number of hours of preparation x and test score y was determined to be Yl 67 03 2 07 The same data yield 0 546 Explain the meaning of the slope of this regression line Complete sentence Include units of a slope Explain the meaning of the yintercept of this regression line Complete sentence Use the equation to predict the grade on a test for 5 hours of study Explain the meaning of the regression coefficient, r What percentage of the variation in test grades is explained by the linear association between the number of hours of preparation and test score What percentage is explained by other factors Name another variable that could correlate with test grade

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Question: URGENT PLEASE ANSWER WITHIN THE NEXT HOUR WITH EXPLENATIONS Based on the data from 10 students, the regression equation relating number of hours of preparation

URGENT PLEASE ANSWER WITHIN THE NEXT HOUR WITH EXPLENATIONS

Based on the data from 10 students, the regression equation relating number of hours of preparation x and test score y was determined to be Yl 67.03 + 2.07?. The same data yield ? =0.546.

Explain the meaning of the slope of this regression line. Complete sentence. Include units of a slope.
Explain the meaning of the yintercept of this regression line. Complete sentence.
Use the equation to predict the grade on a test for 5 hours of study.
Explain the meaning of the regression coefficient, r.
What percentage of the variation in test grades is explained by the linear association between the number of hours of preparation and test score?
What percentage is explained by other factors?
Name another variable that could correlate with test grade

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