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

Short Answer

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 better model using a 5% level of significance derived from the "best" model above is a) $X _ { 1 }$
b) $X _ { 3 }$
c) $X _ { 1 } , X _ { 3 }$
d) $X _ { 1 } , X _ { 2 } , X _ { 3 }$