Assume that the two variables x and y are related according to the simple linearregression model. Summary quantities aren = 15,Σy- 582,Σν-23640,Σx= 53 ,Σχ2-167.42andE xy= 1687.9.Calculate the least squares estimate of the slope and intercept.

We know, Slope=∑ xy-1n∑ x∑ y∑ x2-1n∑ x2 =1687.9-115×53×582167.42-115×532 =18.567

Assume that the two variables x and y are related according to the simple linear regression model. Summary quantities are n = 15, Σy- 582 , Ey? = 23640, Σx 53, Σχ2167,42 and E xy = 1687.9. Calculate the least squares estimate of the slope and intercept.

Assume that the two variables x and y are related according to the simple linear regression model. Summary quantities are n = 15, Σy- 582 , Ey? = 23640, Σx 53, Σχ2167,42 and E xy = 1687.9. Calculate the least squares estimate of the slope and intercept.

A First Course in Probability (10th Edition)

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Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

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Question

Assume that the two variables x and y are related according to the simple linear
regression model. Summary quantities are
n = 15,
Σy- 582,
Σν-23640,
Σx= 53 ,
Σχ2-167.42
and
E xy
= 1687.9.
Calculate the least squares estimate of the slope and intercept.

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