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(a) Algebraically, what does the sum of squares function become? (b) Find a formula for estimating B₂ by using the least squares principle. (This requires the use of calculus similar to how we derived the least squares estimator in class - but now there is no B₁ in the sum-of-squares function).

(a) Algebraically, what does the sum of squares function become? (b) Find a formula for estimating B₂ by using the least squares principle. (This requires the use of calculus similar to how we derived the least squares estimator in class - but now there is no B₁ in the sum-of-squares function).

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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Please show how to do questions, a) and b)
Suppose that in a simple linear regression model we know that the intercept is equal to zero, that is, ß₁ = 0. (a) Algebraically, what does the sum of squares function become? (b) Find a formula for estimating B₂ by using the least squares principle. (This requires the use of calculus similar to how we derived the least squares estimator in class - but now there is no B₁ in the sum-of-squares function).
Transcribed Image Text:Suppose that in a simple linear regression model we know that the intercept is equal to zero, that is, ß₁ = 0. (a) Algebraically, what does the sum of squares function become? (b) Find a formula for estimating B₂ by using the least squares principle. (This requires the use of calculus similar to how we derived the least squares estimator in class - but now there is no B₁ in the sum-of-squares function).
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