SCENARIO 14-15 the Superintendent of a School District Wanted to Predict the Predict

Multiple Choice

SCENARIO 14-15
The superintendent of a school district wanted to predict the percentage of students passing a sixthgrade proficiency test. She obtained the data on percentage of students passing the proficiency test (% Passing) , mean teacher salary in thousands of dollars (Salaries) , and instructional spending per pupil in thousands of dollars (Spending) of 47 schools in the state.
Following is the multiple regression output with Y = % Passing as the dependent variable, X₁ = Salaries and X ₂ = Spending:


-Referring to Scenario 14-14,the fitted model for predicting mileages for 4-cylinder cars is .

A) 40 - 0.05X₁
B) 40 - 0.10X₁
C) 60 - 0.10X₁
D) 60 - 0.15X₁