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

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, what is the value of the test statistic to determine whether the
quadratic effect of daily average of the percentage of students attending class on percentage of
students passing the proficiency test is significant at a 5% level of significance?