Instruction 13.22 the Education Department's Regional Executive Officer Wanted to Predict the Predict

question 76

True/False

Instruction 13.22
The education department's regional executive officer wanted to predict the percentage of students passing a Grade 6 proficiency test. She obtained the data on percentage of students passing the proficiency test (% Passing), daily average of the percentage of students attending class (% Attendance), average 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 Instruction 13.22,the alternative hypothesis H₁: At least one of β_j ≠ 0 for j = 1,2,3 implies that percentage of students passing the proficiency test is affected by all of the explanatory variables.

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Definitions:

Backdraft

A dangerous explosive phenomenon that can occur when a fire is starved of oxygen and then oxygen is suddenly reintroduced, often during firefighting efforts.

Water Content

The amount of water contained in a material, expressed as a weight percentage of the material.

Wood-Based Smokes

Complex mixtures of particulate matter and chemicals produced by the incomplete combustion of wood materials, often containing toxic compounds.

Carbon Dioxide

An invisible, scentless gas that results from the combustion of carbon and organic materials, as well as from the process of respiration, utilized by plants in photosynthesis.