TABLE 14-15 the Superintendent of a School District Wanted to Predict the Predict

question 215

Multiple Choice

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, which of the following is the correct alternative hypothesis to test whether instructional spending per pupil has any effect on percentage of students passing the proficiency test, taking into account the effect of all the other independent variables?

• A) H₀: = β₀ ≠ 0
• B) H₀: = β₁ ≠ 0
• C) H₀: = β₂ ≠ 0
• D) H₀: = β₃ ≠ 0

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Definitions:

Dopamine Overactivity

A condition where there is an excess of dopamine activity in the brain, often associated with disorders such as schizophrenia.

Hallucinations

Sensory experiences that appear real but are created by the mind, without any external presence of the actual stimulus.

Dopamine Receptors

Proteins located on the surface of neurons in the brain that bind to dopamine, a neurotransmitter involved in reward, motivation, and many aspects of behavior.

Hallucinations

Perceptions in the absence of external stimuli, such as seeing, hearing, or feeling something that isn't there.