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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 p-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?
PTSD
Post-Traumatic Stress Disorder (PTSD) is a psychiatric disorder that can occur in people who have experienced or witnessed a traumatic event.
Stressful Event
A situation or occurrence that causes significant strain or pressure, potentially triggering a stress response in individuals.
Unpredictable
Describes something that cannot be predicted or foreseen, often due to a lack of information or inherent variability.
Control
In experiments, the use of standardized procedures to limit the effects of other variables, ensuring that the study measures what it aims to.
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