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Category > Economics Posted 03 May 2017 My Price 11.00

What is the sample correlation coefficient?

Please use the data in the attachment (BELOW).

 

Question 1

What is the sample correlation coefficient?

 

 

Question 2

What is the test statistic for the sample correlation coefficient?

 

 

Question 3

What is the slope of the regression line?

 

 

Question 4

What is the intercept of the regression line?

 

 

Question 5

What is the R2 of the regression?

 

 

Question 6

What is the fitted value of the 15th observation?

 

 

Question 7

What is the residual of the 27th observation?

 

 

Question 8

Suppose you run a regression model and find a slope of 2 and an intercept of 0. Which if the following the most appropriate interpretation?

a) Increasing X causes Y to increase by twice as much.

b) If we observe X, our best guess of Y is twice as high as the observed value.

c) Y is always higher than X by a factor of two.

d) Increasing Y causes X to increase by half as much.

e) X and Y always move in the same direction.

Attachments:

Answers

SuperTutor
(15)
Status NEW Posted 03 May 2017 05:05 AM My Price 11.00

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Attachments

file 1493790720-Solutions file.docx preview (56 words )
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