Student's Final Grade

question 55

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 to conclude at the 5% significance level that the model is useful in predicting the final grade?

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Definitions:

Sensory Neurons

Nerve cells that are responsible for converting external stimuli from the environment into corresponding internal stimuli, allowing for the perception of sensory information.

Central Nervous System

The part of the nervous system that consists of the brain and spinal cord, functioning as the primary control center for processing and sending out information.

Motor Neurons

Nerve cells that transmit impulses from the central nervous system to muscles or glands, enabling movement and action.

Central Nervous System

The part of the nervous system consisting of the brain and spinal cord, responsible for processing and transmitting information.