SCENARIO 18-8
the Superintendent of a School District Wanted to Predict

question 247

Multiple Choice

SCENARIO 18-8
The superintendent of 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 in dollars (Spending) of 47 schools in the state.
Following is the multiple regression output with Y = % Passing as the dependent variable, X₁ =% Attendance, X ₂ = Salaries and X₃ = Spending:

-Referring to Scenario 18-8,which of the following is the correct null hypothesis to test whether daily mean of the percentage of students attending class has any effect on percentage of students passing the proficiency test,considering the effect of all the other independent variables?

• A)H₀ : \(\beta\)₀ = 0
• B)H₀ : \(\beta\)₁ = 0
• C)H₀ : \(\beta\)₂ = 0
• D)H₀ : \(\beta\)₃ = 0

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