Data are collected on starting salaries for graduating undergraduates and the GPA of the students and whether they were a business major (=1) or not (=0) a) Complete the table below e) Are any of the explanatory (independent) variables significant at the 10% level of significance? How do you know? f) ess major and What is the predicted value of income for a person that is a busin had a 3.5 GPA? g) What is the effect on the income of a person being a business major versus not a business major?

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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5) Data are collected on starting salaries for graduating undergraduates and the GPA of the students and whether they were a business major (=1) or not (=0) a) Complete the table below e) Are any of the explanatory (independent) variables significant at the 10% level of significance? How do you know? f) ess major and What is the predicted value of income for a person that is a busin had a 3.5 GPA? g) What is the effect on the income of a person being a business major versus not a business major?
5) Data are collected on starting salarles for graduating undergraduate and the GPA of
the students and whether they were a business major (=1) or not (-0)
a) Complete the table below
SUMMARY
OUTPUT
Regression Statistics
Multiple R
R Square
Adjusted R Square
Standard Error
Observations
0.942
15
ANOVA
df
SS
MS
Significance F
Regression
Residual
Total
21.18
10.59 47.50 1.99071E-06
2.68
0.22
Coefficients Standard Error t Stat P-value Lower 95% Upper 95%
Intercept
GPA
Business
23.45
3.49
0.00
2.77
1.11
0.03
1.31
0.47
0.02
Transcribed Image Text:5) Data are collected on starting salarles for graduating undergraduate and the GPA of the students and whether they were a business major (=1) or not (-0) a) Complete the table below SUMMARY OUTPUT Regression Statistics Multiple R R Square Adjusted R Square Standard Error Observations 0.942 15 ANOVA df SS MS Significance F Regression Residual Total 21.18 10.59 47.50 1.99071E-06 2.68 0.22 Coefficients Standard Error t Stat P-value Lower 95% Upper 95% Intercept GPA Business 23.45 3.49 0.00 2.77 1.11 0.03 1.31 0.47 0.02
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