Referring to Scenario 14-15, which of the following is a correct statement? a. 1

Question

Referring to Scenario 14-15, which of the following is a correct statement?

a. 18.26% of the total variation in the percentage of students passing the proficiency test can be explained by mean teacher salary and instructional spending per pupil.

b. 18.26% of the total variation in the percentage of students passing the proficiency test can be explained by mean teacher salary holding constant the effect of instructional spending per pupil.

c. 18.26% of the total variation in the percentage of students passing the proficiency test can be explained by mean teacher salary and instructional spending per pupil after adjusting for the number of predictors and sample size.

d. 18.26% of the total variation in the percentage of students passing the proficiency test can be explained by instructional spending per pupil holding constant the effect of mean teacher salary.

Explanation / Answer

The coeffiecient of determination is percent of the variation in Y is determined by the linear relationship between Y and X's

Hence the correcct option is

a. 18.26% of the total variation in the percentage of students passing the proficiency test can be explained by mean teacher salary and instructional spending per pupil.

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