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n a regression analysis involving 30 observations, the following estimated regression equation was obtained. ŷ = 17.6 + 3.8x1 − 2.3x2 + 7.6x3 + 2.7x4 For this estimated regression equation, SST = 1,855 and SSR = 1,810. (a) At ? = 0.05, test the significance of the relationship among the variables.   Find the value of the test statistic. (Round your answer to two decimal places.)   Find the p-value. (Round your answer to three decimal places.) p-value =

n a regression analysis involving 30 observations, the following estimated regression equation was obtained. ŷ = 17.6 + 3.8x1 − 2.3x2 + 7.6x3 + 2.7x4 For this estimated regression equation, SST = 1,855 and SSR = 1,810. (a) At ? = 0.05, test the significance of the relationship among the variables.   Find the value of the test statistic. (Round your answer to two decimal places.)   Find the p-value. (Round your answer to three decimal places.) p-value =

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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n a regression analysis involving 30 observations, the following estimated regression equation was obtained.
ŷ = 17.6 + 3.8x1 − 2.3x2 + 7.6x3 + 2.7x4
For this estimated regression equation, SST = 1,855 and SSR = 1,810.
(a)
At ? = 0.05, test the significance of the relationship among the variables.
 
Find the value of the test statistic. (Round your answer to two decimal places.)
 
Find the p-value. (Round your answer to three decimal places.)
p-value = 
 
 
Suppose variables 
x1 and x4
 are dropped from the model and the following estimated regression equation is obtained.
ŷ = 11.1 − 3.6x2 + 8.1x3
For this model, SST = 1,855 and SSR = 1,755.
(b)
Compute 
SSE(x1, x2, x3, x4).
SSE(x1, x2, x3, x4)
 = 
(c)
Compute 
SSE(x2, x3).
SSE(x2, x3) = 
 
Find the value of the test statistic. (Round your answer to two decimal places.)
 
Find the p-value. (Round your answer to three decimal places.)
p-value = 
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