Attempting to analyze the relationship between advertising and sales, the owner of a furniture store recorded the monthly advertising budget ($thousands) and the sales ($ millions) for a sample of 12 months. The data are listed here. Advertising (X) Observation 1 2 3 4 5 6 7 8 9 10 11 12 1.5131 23 46 60 54 28 33 25 31 36 88 90 99 1.5131 (with margin: 0.01) Sales (Y) 9.6 11.3 12.8 9.8 8.9 The following model will be considered Y₁ = Bo + B₁ (xi) + €į, where €₂~ N(0,0²). Find an unbiased estimator of o² and use it to estimate the variance of the 7th residual, (e7). Provide the numerical value of V(e7). Please round it to 4 decimal places. 12.5 12 11.4 12.6 13.7 14.4 15.9

Attempting to analyze the relationship between advertising and sales, the owner of a furniture store recorded the monthly advertising budget ($thousands) and the sales ($ millions) for a sample of 12 months. The data are listed here. Advertising (X) Observation 1 2 3 4 5 6 7 8 9 10 11 12 1.5131 23 46 60 54 28 33 25 31 36 88 90 99 1.5131 (with margin: 0.01) Sales (Y) 9.6 11.3 12.8 9.8 8.9 The following model will be considered Y₁ = Bo + B₁ (xi) + €į, where €₂~ N(0,0²). Find an unbiased estimator of o² and use it to estimate the variance of the 7th residual, (e7). Provide the numerical value of V(e7). Please round it to 4 decimal places. 12.5 12 11.4 12.6 13.7 14.4 15.9

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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