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

question 225

True/False

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 14-15,the alternative hypothesis H ₁:
At least one of $\beta$ j $\neq$ 0for j = 1,2
implies that percentage of students passing the proficiency test is related to both of the explanatory variables.

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Definitions:

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Hair Bulb

The rounded, club-shaped structure at the base of a hair follicle containing the cells that produce hair, and the site of hair growth.

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