SCENARIO 14-15 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), 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, = Salaries and Spending:
-Referring to Scenario 14-15, which of the following is the correct null hypothesis to test whether mean teacher salary has any effect on percentage of students passing the proficiency test, considering the effect of instructional spending per pupil?

Question

SCENARIO 14-15 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), 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,  = Salaries and  Spending:  
-Referring to Scenario 14-15, which of the following is the correct null hypothesis to test whether mean teacher salary has any effect on percentage of students passing the proficiency test, considering the effect of instructional spending per pupil?

Quizplus · Accepted Answer

The correct null hypothesis to test whether mean teacher salary has any effect on the percentage of students passing the proficiency test, considering the effect of instructional spending per pupil is:

H0: 11ebc114_12bc_50c8_8acb_81a75e63cad0_TB8562_11 = 0

where 11ebc114_12bc_50c8_8acb_81a75e63cad0_TB8562_11 represents the coefficient for mean teacher salary in the multiple regression equation.

Option B (11ebc114_12bd_b065_8acb_01f5ca174d34_TB8562_11 = 0) is the correct null hypothesis for this test. The null hypothesis to test whether mean teacher salary has any effect on percentage of students passing the proficiency test considering the effect of instructional spending per pupil is:
H0: β1 = 0
where β1 is the coefficient of Salaries in the multiple regression equation.

Option B (11ebc114_12bd_b065_8acb_01f5ca174d34_TB8562_11) correctly represents the null hypothesis.

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