Student's Final Grade

question 59

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} Interpret the coefficient b₂.

---

Definitions:

Succession

The process by which the structure of a biological community evolves over time, often following a disturbance.

Mutualism

A type of symbiotic relationship between two different species where both species benefit from the interaction.

Pioneer Plant Species

Plants that are the first to colonize disturbed or new habitats, initiating ecological succession.

Seed Dispersal

Seed dispersal is the process by which seeds are spread from their parent plant to new locations for germination and growth, involving mechanisms like wind, water, animals, or explosive release.