13.20 Predicting CPI For a random sample of 100 students in a German university, the result of...

Question:

13.20 Predicting CPI For a random sample of 100 students in a German university, the result of regressing the college cumulative performance index (CPI) on the high school grade (HSG), the average monthly attendance percentage

(AMAP) and the average daily study time (ADST) follows.

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a. Explain in nontechnical terms what it means if the population slope coefficient for high school grade (HSG) equals 0.

b. Show all the steps for testing the hypothesis that this slope equals 0.

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Statistics The Art And Science Of Learning From Data

ISBN: 9781292164878

4th Global Edition

Authors: Alan Agresti, Christine A. Franklin, Bernhard Klingenberg

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Question Posted: Sep 16, 2024 10:01 AM

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13.20 Predicting CPI For a random sample of 100 students in a German university, the result of...

Question:

Regression Equation CPI = 1.1362 + 0.6615 HSG +0.2301 AMAP + 0.0075 ADST Coefficients. Term Coef SE Coef T-Value P-Value Constant 1.1362 0.5731 1.98 0.050 HSG 0.6615 0.1578 4.19 0.000 AMAP 0.3301 0.1473 2.24 0.027 ADST 0.0075 0.0151 0.50 0.621 Model Summary S R-sq 0.218624 75.82%

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Statistics The Art And Science Of Learning From Data

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