The superintendent or a school district wanted to predict the percentage of stud

Question

The superintendent or a school district wanted to predict the percentage of students passing a sixth-grade proficiency test She obtained the data on percentage of students passing the proficiency test (% Passing), daily mean of the percentage of students attending class (% Attendance mean teacher salary in dollars (Salaries and instructional spending per pupil dollars (Spending) at 47 schools in the state. Following is the multiple regression output with Y = % Passing as the dependent variable, X_1 = % Attendance, X_2 = Salaries and X_3 = Spending Which of the following is a correct statement? A. 62.88% of the total variation in the percentage of students passing he proficiency test can be explained by daily mean of the percentage of students attending class, mean teacher salary, and instructional spending per pupil B. 62.88% of the total variation in the percentage of students passing the proficiency test can be explained by daily mean of the percentage of students attending class, mean teacher salary, and instructional spending per pupil after adjusting for the number of predictors and sample size C. 62.88% of the total variation in the percentage of students passing the proficiency test can be explained by daily mean of the percentage of students attending class holding constant the effect of mean teacher salary and instructional spending per pupil D. 62.88% of the total variation in the percentage of students passing the proficiency test can be explained by daily mean of the percentage of students attending class after adjusting for the effect of mean teacher salary, and instructional spending per pupil

Explanation / Answer

The correct statement is :

( A ) 62.88 % of the total variation in the percentage of students passing the proficiency test can be explained by daily mean of the percentage of students attending class , mean teacher salary , and instructional spending per pupil .

The correct option is ( A ) .

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