Q8 Exercise 2Many times property value appraisers estimate the value of specificproperties with minor or sometimes major difference. A company thatbuilds apartment buildings in Athens considers two appraisers, A andB, who give an estimate of the sale price of their apartments. Thesales department of the company has observed that in most casesappraiser A gives smaller value estimates of their apartments. Thecompany would like to know if this is true for estimated values ofapartments of other companies. Let be the appraisal value of anapartment of other companies by appraiser A. Let *, be the appraisalvalue of an apartment of other companies by appraiser B. Also, letD= X, - X1. The company selected a random sample of apartments ofother companies. Let i be the appraisal value of each apartment in thesample by appraiser A. Let be the appraisal value of each apartmentin the sample by appraiser B. The measurements and * are inthousands of euros and are given below. Let d = x2 - 1. At the 5% levelof significance, do these data provide enough evidence to concludethat the mean estimation of the appraisal values of apartments byappraiser A is bigger than the mean estimation of the appraisal valuesof apartments by appraiser B?apartment x X2 apartment x x2 apartment x x21176 17419155 16437201 2052164 16020190 18938155 1483153 14521187 18639162 1664184 18022207 21140198 193184 17823164 16441189 184207 21124204 20542190 1847196 19825179 17443189 189163 16226193 19844149 143180 18627209 20945223 22310191 19628186 18746184 18011148 14129166 16247185 18912220 21730189 18048190 18813219 21131173 17749148 14014140 14432184 17850187 18415161 16233144 13951188 18716188 18334188 19052186 18717159 16035169 16553200 19718203 21636181 18354167 170Question 8 Write the number that corresponds to the correct answer.Specify the null and the alternative hypotheses.0 Pri : 'H ´o = Pri: °H °I2.Ho :Hd = 0, H1 :uz 03.Ho :Hd 0, H1 :µg

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Q8 Exercise 2Many times property value appraisers estimate the value of specificproperties with minor or sometimes major difference. A company thatbuilds apartment buildings in Athens considers two appraisers, A andB, who give an estimate of the sale price of their apartments. Thesales department of the company has observed that in most casesappraiser A gives smaller value estimates of their apartments. Thecompany would like to know if this is true for estimated values ofapartments of other companies. Let be the appraisal value of anapartment of other companies by appraiser A. Let *, be the appraisalvalue of an apartment of other companies by appraiser B. Also, letD= X, - X1. The company selected a random sample of apartments ofother companies. Let i be the appraisal value of each apartment in thesample by appraiser A. Let be the appraisal value of each apartmentin the sample by appraiser B. The measurements and * are inthousands of euros and are given below. Let d = x2 - 1. At the 5% levelof significance, do these data provide enough evidence to concludethat the mean estimation of the appraisal values of apartments byappraiser A is bigger than the mean estimation of the appraisal valuesof apartments by appraiser B?apartment x X2 apartment x x2 apartment x x21176 17419155 16437201 2052164 16020190 18938155 1483153 14521187 18639162 1664184 18022207 21140198 193184 17823164 16441189 184207 21124204 20542190 1847196 19825179 17443189 189163 16226193 19844149 143180 18627209 20945223 22310191 19628186 18746184 18011148 14129166 16247185 18912220 21730189 18048190 18813219 21131173 17749148 14014140 14432184 17850187 18415161 16233144 13951188 18716188 18334188 19052186 18717159 16035169 16553200 19718203 21636181 18354167 170Question 8 Write the number that corresponds to the correct answer.Specify the null and the alternative hypotheses.0 > Pri : 'H ´o = Pri: °H °I2.Ho :Hd = 0, H1 :uz > 03.Ho :Hd> 0, H1 :µg < 04.0 < Pri : 'H °o > Pri : °H5.Ho :Hd = 0, H1 : µ d

Accepted Answer

Given that, Let x1 be the appraisal value of each apartment in the sample by appraiser A. Let x2 be…

Question 8 Write the number that corresponds to the correct answer. Specify the null and the alternative hypotheses. Ho : Hd = 0, H : µa = 0, H1 : Hd> < 0 1. Ho :d 2. 3. 0 > Pri : 'H *0 < Pri : °H 4. 0 < Pri: 'H ´0 > Pri : °H 5. Ho : Hd = 0, HiHd*0

Question 8 Write the number that corresponds to the correct answer. Specify the null and the alternative hypotheses. Ho : Hd = 0, H : µa = 0, H1 : Hd> < 0 1. Ho :d 2. 3. 0 > Pri : 'H 0 < Pri : °H 4. 0 < Pri: 'H ´0 > Pri : °H 5. Ho : Hd = 0, HiHd0