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What are the estimates of the slope, a and intercept, b using the formulae: a =Ÿ -bX ; b-ΣΥΥ-ΣΧΣΥ nEX-(EX) А. а%3D1.5, b %3 1 B. a = -5, b = 0 C. a= 0; b = 0.6 D. a = 2, b =- 0.6. O A. A ОВ. В О С. С O D. D

What are the estimates of the slope, a and intercept, b using the formulae: a =Ÿ -bX ; b-ΣΥΥ-ΣΧΣΥ nEX-(EX) А. а%3D1.5, b %3 1 B. a = -5, b = 0 C. a= 0; b = 0.6 D. a = 2, b =- 0.6. O A. A ОВ. В О С. С O D. D

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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Q8. Calculator required. In a regression study to estimate the line Y = aX + b using a sample of X and Y values, the following statistics were obtained: n= 10, ΣΧY -200; ΣΧ = 25 ; ΣΥ = 40; Σ χ2 162.5 What are the estimates of the slope, a and intercept, b using the formulae: ηΣΧΥ-ΣΧΣΥ b = a =Y –bX ; "EX-(EX) A. a = 1.5, b = 1 B. a = -5, b = 0 C. a= 0; b = 0.6 D. a = 2, b = - 0.6. O A. A О В. В С. С O D. D
Transcribed Image Text:Q8. Calculator required. In a regression study to estimate the line Y = aX + b using a sample of X and Y values, the following statistics were obtained: n= 10, ΣΧY -200; ΣΧ = 25 ; ΣΥ = 40; Σ χ2 162.5 What are the estimates of the slope, a and intercept, b using the formulae: ηΣΧΥ-ΣΧΣΥ b = a =Y –bX ; "EX-(EX) A. a = 1.5, b = 1 B. a = -5, b = 0 C. a= 0; b = 0.6 D. a = 2, b = - 0.6. O A. A О В. В С. С O D. D
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