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:

Mnemonic Device

A technique or strategy used to enhance memory and learning ability by organizing information into more familiar or simpler forms, often using patterns of letters, ideas, or associations.

Hypnotic Trance

A deeply relaxed and suggestible state of mind, achieved through hypnosis, where conscious awareness is reduced.

Persuade People

The act of convincing individuals to change their beliefs, attitudes, or behaviors through argument, reasoning, or appeal.

Monitor Brain Waves

The process of observing and recording the electrical activity in the brain using techniques such as electroencephalography (EEG).