A model to explain the standardized outcome on a final exam (stndfnl) in terms of percentage of classesattended (antrte), prior college grade point average (priGPA), and university entrance exam (ACT) score isstndfnl= Bo+ B,antrte + B₂priGPA+ BapriGPA²+B,ACT +BACT2+BopriGPA - antrteUsing the 680 observations for students in a course, the estimated equations areModel 1 Model 2 Model 32.0502 0.27290.0296(1.3603) (0.6239)(0.0379)-0.0067interceptantrtepriGPApriGPA^2ACTACT^2priGPA 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)0.22860.2170512.7624 520.47970.0000664.7634R^2SSRa-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 termpriGPA 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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Calculus For The Life Sciences

2nd Edition

ISBN:9780321964038

Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.

Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.

Chapter13: Probability And Calculus

Section13.3: Special Probability Density Functions

Problem 16E

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