ASAP!! Consider the following model:price = Bo + Bilotsize + B2sqr ft + uAssume that the error variance is given as:Var(u) = lotsize'o?Does the model have a homoskedastic error term? [blank 1] enter "yes" or "no"Write the transformed equation for weighted least squares (WLS) [blank2].Blank # 1Blank # 2

The given model is price =β0+β1 lotsize +β2 sqrft +u. The given error variance is…

Answered: Consider the following model: price =…

Linear Algebra: A Modern Introduction

4th Edition

ISBN:9781285463247

Author:David Poole

Publisher:David Poole

Chapter7: Distance And Approximation

Section7.3: Least Squares Approximation

Problem 31EQ

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The following information pertains to a simple least squares regression for DEF Corporation: Mean value of the dependent variable 30Mean value of the independent variable 8Coefficient of the independent variable 3Number of observations 12 What is the "a" value for the leasts-quares regression model? a. 60b. 30c. 6d. 0
Various doses of a poisonous substance were givento groups of 25 mice and the following results wereobserved: Dose (mg) Number of deathsx y4 16 38 610 812 1414 1616 20 (a) Find the equation of the least squares line fit tothese data.(b) Estimate the number of deaths in a group of 25 micethat receive a 7-milligram dose of this poison.
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Consider the following model: price = Bo + Bilotsize + B2sqr ft + u Assume that the error variance is given as: Var(u) = lotsize'a? Does the model have a homoskedastic error term? [blank 1] enter "yes" or "no" Write the transformed equation for weighted least squares (WLS) [blank2].