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A model to explain the standardized outcome on a final exam (stndfnl) in terms of percentage of classes attended (antrte), prior college grade point average (priGPA), and university entrance exam (ACT) score is stndfnl Bo+ B,antrte + B₂priGPA+ BapriGPA²+B₁ACT+BACT2+ BapriGPA antrte Using the 680 observations for students in a course, the estimated equations are M Model 1 Model 2 Model 3 intercept antrte priGPA 2.0502 0.2729 0.0296 (1.3603) (0.6239) (0.0379) -0.0067 (0.0102) -1.6285 -1.3436 to scro .

A model to explain the standardized outcome on a final exam (stndfnl) in terms of percentage of classes attended (antrte), prior college grade point average (priGPA), and university entrance exam (ACT) score is stndfnl Bo+ B,antrte + B₂priGPA+ BapriGPA²+B₁ACT+BACT2+ BapriGPA antrte Using the 680 observations for students in a course, the estimated equations are M Model 1 Model 2 Model 3 intercept antrte priGPA 2.0502 0.2729 0.0296 (1.3603) (0.6239) (0.0379) -0.0067 (0.0102) -1.6285 -1.3436 to scro .

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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A model to explain the standardized outcome on a final exam (stndfnl) in terms of percentage of classes attended (antrte), prior college grade point average (priGPA), and university entrance exam (ACT) score is stndfnl= Bo+ B,antrte + B₂priGPA+ BapriGPA²+B,ACT +BACT2+BopriGPA - antrte Using the 680 observations for students in a course, the estimated equations are Model 1 Model 2 Model 3 2.0502 0.2729 0.0296 (1.3603) (0.6239) (0.0379) -0.0067 intercept antrte priGPA priGPA^2 ACT ACT^2 priGPA antrte (0.0102) -1.6285 (0.4810) 0.2959 (0.1010) -0.1280) (0.0984) 0.0045 -1.3436 (0.4650) 0.3519 (0.0885) 0.0014 (0.0021) (0.0002) 0.0055 (0.0043) 0.2286 0.2170 512.7624 520.4797 0.0000 664.7634 R^2 SSR a- Is the whole model 1 significant at a 5% significance level? Write the necessary hypotheses. b- How can you conclude, excluding or keeping the variables, antrte, ACT, and the interaction term priGPA antrte is good or not good for model 1 at a 5% significance level? C- Show that the partial effect of attendance rate on final scores also relies on priGPA. d- Calculate the partial effect of attendance rate on final scores when the avarage priGPA is 2.59. Interprete the result you have calculated.
Transcribed Image Text:A model to explain the standardized outcome on a final exam (stndfnl) in terms of percentage of classes attended (antrte), prior college grade point average (priGPA), and university entrance exam (ACT) score is stndfnl= Bo+ B,antrte + B₂priGPA+ BapriGPA²+B,ACT +BACT2+BopriGPA - antrte Using the 680 observations for students in a course, the estimated equations are Model 1 Model 2 Model 3 2.0502 0.2729 0.0296 (1.3603) (0.6239) (0.0379) -0.0067 intercept antrte priGPA priGPA^2 ACT ACT^2 priGPA antrte (0.0102) -1.6285 (0.4810) 0.2959 (0.1010) -0.1280) (0.0984) 0.0045 -1.3436 (0.4650) 0.3519 (0.0885) 0.0014 (0.0021) (0.0002) 0.0055 (0.0043) 0.2286 0.2170 512.7624 520.4797 0.0000 664.7634 R^2 SSR a- Is the whole model 1 significant at a 5% significance level? Write the necessary hypotheses. b- How can you conclude, excluding or keeping the variables, antrte, ACT, and the interaction term priGPA antrte is good or not good for model 1 at a 5% significance level? C- Show that the partial effect of attendance rate on final scores also relies on priGPA. d- Calculate the partial effect of attendance rate on final scores when the avarage priGPA is 2.59. Interprete the result you have calculated.
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