Student's Final Grade

question 69

Essay

Student's Final Grade
A statistics professor investigated some of the factors that affect an individual student's final grade in her course.She proposed the multiple regression model ,where y is the final grade (out of 100 points),x₁ is the number of lectures skipped,x₂ is the number of late assignments,and x₃ is the midterm exam score (out of 100).The professor recorded the data for 50 randomly selected students.The computer output is shown below. THE REGRESSION EQUATION IS ​ ​ ​ S = 13.74 R−Sq = 30.0% ​ ANALYSIS OF VARIANCE ​ ​
-{Student's Final Grade Narrative} Does this data provide enough evidence at the 5% significance level to conclude that the final grade and the number of late assignments are negatively linearly related?

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Definitions:

Jazz Music

A genre of music originating in the African American communities of New Orleans in the late 19th and early 20th centuries, characterized by swing and blue notes, call and response vocals, polyrhythms, and improvisation.

Fetus

A prenatal human between the embryonic state and birth, typically from 9 weeks after fertilization until birth.

Trimester

A term of approximately three months, often used to divide the pregnancy period or academic year into three parts.

Movement

An act of changing physical location or position or of having this changed; often in the context of physical activity or migration.