THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 95

Essay

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
A professor investigated some of the factors that affect an individual student's final grade in his course.He proposed the multiple regression model Y = β₀ + β₁X₁ + β₂X₂ + β₃X₃ + ε ,where Y is the final mark (out of 100),X₁ is the number of lectures skipped,X₂ is the number of late assignments,and X₃ is the mid-term test mark (out of 100).The professor recorded the data for 50 randomly selected students.The computer output is shown below.
The regression equation is
= 41.6 - 3.18x₁ - 1.17x₂ + 0.63x₃.

S = 13.74 R-Sq = 30.0%
ANALYSIS OF VARIANCE

-Interpret the coefficient b₃.

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Definitions:

Income Effect

Alterations in the financial state of individuals or economies and how these changes drive the demand for various goods or services.

Consumer's Spending

The total amount of money spent by households in an economy on goods and services.

Budget Constraint

The limit on the consumption bundles that a consumer can afford given their income and the prices of goods and services.

Weekly Income

The total amount of money earned or received by an individual or entity within the span of a week.