Student's Final Grade a Statistics Professor Investigated Some of the Factors

question 70

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), x ₁ is the number of lectures skipped, x ₂ is the number of late assignments, and x ₃ 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% {Student's Final Grade Narrative} Interpret the coefficient b ₁.

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Definitions:

Decreased

Decreased indicates a reduction in size, quantity, quality, or intensity of a specific variable or condition.

Productivity

A measure of the efficiency of production, often expressed as the ratio of outputs produced to inputs used within a certain period.

Increasing Rate

A situation where a numerical value or quantity grows over a period of time, which can refer to things like interest rates or inflation.

Gross Savings

Gross Savings refers to the total amount of savings retained by an economy after all expenses have been met but not including depreciation.