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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. Let Y = % Passing as the dependent variable, Attendance,
Salaries and
Spending. The coefficient of multiple determination (
) of each of the 3 predictors with all the other remaining predictors are, respectively, 0.0338, 0.4669, and 0.4743. The output from the best-subset regressions is given below:
Following is the residual plot for % Attendance:
Following is the output of several multiple regression models:
-Referring to Scenario 15-4, which of the following models should be taken into consideration using the Mallows' statistic?
Gender Identity
An individual's personal sense of their own gender, which may or may not correspond to the sex assigned at birth.
Sexual Identity
An individual's personal sense of their own sexuality, which may encompass their sexual orientation, preferences, and gender identification.
Expressiveness
The ability or tendency to openly and effectively communicate emotions, thoughts, or ideas.
Life Satisfaction
A subjective assessment of one's overall well-being and contentment with life, reflecting personal experiences and achievements.
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