For this problem, use the multiple regression equation below to complete parts (a) and (b). Y₁ = 10 + 5X₁₁; +3X₂i a. Interpret the meaning of the slopes. OA. If X₁ increases one unit, Y increases 5 units. If X₂ increases one unit, Y increases 3 units. O B. If X₂ is constant, when X₁ increases one unit, Y increases 5 units. If X₁ is constant, when X₂ increases one unit, Y increases 3 units. OC. If X₂ is constant, when X₁ increases one unit, Y increases 3 units. If X₁ is constant, when X₂ increases one unit, Y increases 5 units. OD. If X₁ increases one unit, Y increases 3 units. If X₂ increases one unit, Y increases 5 units. b. Interpret the meaning of the Y-intercept. O A. The Y-intercept 10 is the estimate of the mean value of Y if X₁ and X₂ are both 0. B. The Y-intercept 10 is the estimate of the mean value of Y if X₁ is 0.
For this problem, use the multiple regression equation below to complete parts (a) and (b). Y₁ = 10 + 5X₁₁; +3X₂i a. Interpret the meaning of the slopes. OA. If X₁ increases one unit, Y increases 5 units. If X₂ increases one unit, Y increases 3 units. O B. If X₂ is constant, when X₁ increases one unit, Y increases 5 units. If X₁ is constant, when X₂ increases one unit, Y increases 3 units. OC. If X₂ is constant, when X₁ increases one unit, Y increases 3 units. If X₁ is constant, when X₂ increases one unit, Y increases 5 units. OD. If X₁ increases one unit, Y increases 3 units. If X₂ increases one unit, Y increases 5 units. b. Interpret the meaning of the Y-intercept. O A. The Y-intercept 10 is the estimate of the mean value of Y if X₁ and X₂ are both 0. B. The Y-intercept 10 is the estimate of the mean value of Y if X₁ is 0.
College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter1: Equations And Graphs
Section1.3: Lines
Problem 92E
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