ı need answers within 1 hour :( the pop3- Amodel to explain the standarded outc are on a final exam (strdfril) in terms of percentage of classesattended (antrte), prior college grade point average (priGPA), and university entrance exam (ACT) score isstndfnl = Bo + B₁antrte+ P₂priGPA + PapriGPA²+ B4ACT +BACT² + BopriGPA * antrteUsing the 680 observations for students in a course, the estimated equations areModel 1 Model 2Model 32.05020.2729(1.3603) (0.6239)-0.0067(0.0102)--1.6285interceptC-antrtepriGPApriGPA^2ACTACT^2priGPA*antrte-1.3436(0.4810) (0.4650)0.29590.3519(0.1010)(0.0885)-0.1280)(0.0984)0.00450.0014(0.0021) (0.0002)0.00550.0296(0.0379)(0.0043)R^20.22860.21700.0000SSR512.7624 520.4797 664.7634Is the whole model 1 significant at a 5% significance level? Write the necessary hypotheses.a-b- How can you conclude, excluding or keeping the variables, antrte, ACT, and the interaction termpriGPA* antrte is good or not good for model 1 at a 5% significance level?Show that the partial effect of attendance rate on final scores also relies on priGPA.Id- Calculate the partial effect of attendance rate on final scores when the avarage priGPA is 2.59.Interprete the result you have calculated.

Answered: Amodel to explain the standarded…

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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ı need answers within 1 hour :(

the pop
3- Amodel to explain the standarded outc are on a final exam (strdfril) in terms of percentage of classes
attended (antrte), prior college grade point average (priGPA), and university entrance exam (ACT) score is
stndfnl = Bo + B₁antrte+ P₂priGPA + PapriGPA²+ B4ACT +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
(1.3603) (0.6239)
-0.0067
(0.0102)
--1.6285
intercept
C-
antrte
priGPA
priGPA^2
ACT
ACT^2
priGPA*antrte
-1.3436
(0.4810) (0.4650)
0.2959
0.3519
(0.1010)
(0.0885)
-0.1280)
(0.0984)
0.0045
0.0014
(0.0021) (0.0002)
0.0055
0.0296
(0.0379)
(0.0043)
R^2
0.2286
0.2170
0.0000
SSR
512.7624 520.4797 664.7634
Is the whole model 1 significant at a 5% significance level? Write the necessary hypotheses.
a-
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?
Show that the partial effect of attendance rate on final scores also relies on priGPA.
Id- Calculate the partial effect of attendance rate on final scores when the avarage priGPA is 2.59.
Interprete the result you have calculated.

Expert Solution

Step 1

Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts. In case you require the unanswered parts also, kindly re-post that parts separately.

Null Hypothesis:

H0: The model 1 is not significant.

Alternative Hypothesis"

H1: The model 1 is significant.

Test Statistic:

$F = \frac{\frac{R^{2}}{k}}{\frac{1 - R^{2}}{n - k - 1}} H e r e, n = n u m b e r o f o b s e r v a t i o n s k = n u m b e r p r e d i c t o r v a r i a b l e s$