Q13 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 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 = x, - x. 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 |x, apartment x, X2 apartment x x21176 17419155 16437201205164 16020190 18938155 1483153 14521187 18639162|1664184|1802220721140198|1935184 17823164 16441189 1846.207 2112420420542190 184196 19825179 17443189 1898163 16226193 19844149 143180|1862720920945223 22310191 19628186|18746184 18011148 14129166 16247185|1891222021730189 18048190|18813219 21131173 17749148 14014140 14432184 17850187 18415161 16233144|139511881871618818334188 19052186 18717159 16035169 16553200 1971820321636181 18354167 1702. Question 13 Write the number that corresponds to the correct answer.What is the treatment in this test?1. the appraisal value of each apartment in the sample.2. the difference in the appraisal value of each apartmentestimated by the two appraisers.3. the actual sale value of each apartment in the sample.4. the two appraisers who estimate values of apartments.5. the difference in the mean appraisal value of apartmentsestimated by the two appraisers.

Since, for the given information, it needs to know if at the 5% level of significance, do these…

Question 13 Write the number that corresponds to the correct answer. What is the treatment in this test? 1. the appraisal value of each apartment in the sample. 2. the difference in the appraisal value of each apartment estimated by the two appraisers. 3. the actual sale value of each apartment in the sample. 4. the two appraisers who estimate values of apartments. 5. the difference in the mean appraisal value of apartments estimated by the two appraisers.