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A study was made to determine the effect of stirring rate (x) on the amount of impurity in paint produced by a chemical process (y). The study yielded the following summary statistics: n = 12 Σ²₁x₁ = 372 Σ²1 yi Σ1 x = 12104 Σ, y = 2435.14 ²₁ iyi = 5419.60 = 166.4 Consider the linear model Yi = Bo + B₁x₁ + €, where E(ei) = 0 and V(€₂) = ² (which suggests that a straight-line relationship may be appropriate). Solve the normal equations and give an estimate of the slope parameter, 6₁. Round your final answer to 4 decimal places.

A study was made to determine the effect of stirring rate (x) on the amount of impurity in paint produced by a chemical process (y). The study yielded the following summary statistics: n = 12 Σ²₁x₁ = 372 Σ²1 yi Σ1 x = 12104 Σ, y = 2435.14 ²₁ iyi = 5419.60 = 166.4 Consider the linear model Yi = Bo + B₁x₁ + €, where E(ei) = 0 and V(€₂) = ² (which suggests that a straight-line relationship may be appropriate). Solve the normal equations and give an estimate of the slope parameter, 6₁. Round your final answer to 4 decimal places.

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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A study was made to determine the effect of stirring rate (x) on the amount of impurity in paint produced by a chemical process (y). The study yielded the following summary statistics: n = 12 Σ1 * = 372 Σ2, y = 166.4 Σ210 = 12104 Σ19 = 2435.14 ¹2₁ x¿Yi = 5419.60 Consider the linear model Yi = ßo + B₁x₂ + €, where E(€;) = 0 and V(€;) = o² (which suggests that a straight-line relationship may be appropriate). Solve the normal equations and give an estimate of the slope parameter, 6₁. Round your final answer to 4 decimal places.
Transcribed Image Text:A study was made to determine the effect of stirring rate (x) on the amount of impurity in paint produced by a chemical process (y). The study yielded the following summary statistics: n = 12 Σ1 * = 372 Σ2, y = 166.4 Σ210 = 12104 Σ19 = 2435.14 ¹2₁ x¿Yi = 5419.60 Consider the linear model Yi = ßo + B₁x₂ + €, where E(€;) = 0 and V(€;) = o² (which suggests that a straight-line relationship may be appropriate). Solve the normal equations and give an estimate of the slope parameter, 6₁. Round your final answer to 4 decimal places.
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