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Author Question: Interpret the coefficients b1 and b3. b1 = ____________________ Interpretation: ... (Read 73 times)

itsmyluck

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on: Jun 24, 2018
Interpret the coefficients b1 and b3. b1 = ___________________ _ Interpretation: ___________________ ___________________ _______________ b3 = ___________________ _ Interpretation: ___________________ ___________________ _______________
 Fill in the blank(s) with correct word

Question 2

What is the coefficient of determination? What does this statistic tell you?


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marict

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Reply #1 on: Jun 24, 2018
Answer to Question 1

b1 = -3.18; This tells us that for each additional lecture skipped, the student's final score on average decreases by 3.18 points (assuming that the other independent variables in the model are held constant).;
b2 = 0.63; This tells us that for each additional mid-term test score point, the student's final score on average increases by .63 points (assuming that the other independent variables in the model are held constant).

Answer to Question 2

0.30; This means that 30 of the variation in the student's final grade in statistics is explained by the three variables: number of lectures skipped, number of late assignments, and mid-term test grade, while 70 remains unexplained.


itsmyluck

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Reply 2 on: Jun 24, 2018
YES! Correct, THANKS for helping me on my review

jomama

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Reply 3 on: Yesterday
Gracias!

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