QuestionImage transcription textQuestion 3 We want to know about theexpenditure on food in a month forstudents in this university…. Show more… Show moreImage transcription textQuestion 2 (12 points) Lot = be arandom column vector of size 3 : Writeout a’s and as’ in terms of… Show more… Show moreImage transcription text(i) Define what is an unbiased estimator. Show that X is an unbiasedestimator for E(X,) = under the usual assumptions. (5 points) (ii) IfE(X;) = / and Var(X;) = o’, and observations are indepe… Show more… Show moreBusinessEconomicsECON 89

Order your essay today and save 20% with the discount code ESSAYHELP