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Author Question: The following data show the results of an aptitude test (Y) and the grade point average of 10 ... (Read 75 times)

caca31

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on: Mar 25, 2023

The following data show the results of an aptitude test (Y) and the grade point average of 10 students.

Aptitude Test
Score (Y)


GPA (X)

26

1.8

31

2.3

28

2.6

30

2.4

34

2.8

38

3.0

41

3.4

44

3.2

40

3.6

43

3.8


a.Develop a least squares estimated regression line.
b.Compute the coefficient of determination and comment on the strength of the regression relationship.
c.Is the slope significant? Use a t test and let α = 0.05.
d.At 95% confidence, test to determine if the model is significant (i.e., perform an F test).

Essentials of Statistics for Business and Economics ¦ Anderson, Sweeney, Williams, Camm, Cochran ¦ 7th Edition
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Marked as best answer by caca31 on Mar 25, 2023

lhn821

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Reply #1 on: Mar 25, 2023
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caca31

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Reply 2 on: Mar 25, 2023
Wow, this really help

ricroger

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Reply 3 on: Yesterday
Gracias!

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