SCENARIO 15-4
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.
-Referring to Scenario 15-4, the quadratic effect of daily average of the percentage
of students attending class on percentage of students passing the proficiency test is not significant
at a 5% level of significance.

Question

SCENARIO 15-4
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. 
-Referring to Scenario 15-4, the quadratic effect of daily average of the percentage
of students attending class on percentage of students passing the proficiency test is not significant
at a 5% level of significance.

Quizplus · Accepted Answer

The significance of the quadratic effect would depend on the p-value associated with it in the regression analysis. If the p-value is less than 0.05, it is significant at the 5% level. Without specific data or results, we cannot assume it is not significant.

SCENARIO 15-4 the Superintendent of a School District Wanted to Predict the Predict