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TABLE 14-15
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.
Following is the multiple regression output with Y = % Passing as the dependent variable, X₁ = % Attendance, X₂= Salaries and X₃= Spending:
-Referring to Table 14-15, the null hypothesis should be rejected at a 5% level of significance when testing whether daily mean of the percentage of students attending class has any effect on percentage of students passing the proficiency test, taking into account the effect of all the other independent variables.
18-24 Months
A developmental age range for toddlers characterized by significant growth in motor skills, language acquisition, and independence.
8-12 Months
A developmental period marked by significant achievements like crawling, standing, and possibly beginning to walk, as well as stranger anxiety and attachment to caregivers.
Delay Of Gratification
The ability to resist the temptation for an immediate reward and wait for a later reward.
Over 3 Years
A term indicating a duration longer than three years.
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Q330: Referring to Table 14-15, the null hypothesis