Find the p-value.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Q10
Transcribed Image Text:Exercise 2
Many times property value appraisers estimate the value of specific
properties with minor or sometimes major difference. A company that
builds apartment buildings in Athens considers two appraisers, A and
B, who give an estimate of the sale price of their apartments. The
sales department of the company has observed that in most cases
appraiser A gives smaller value estimates of their apartments. The
company would like to know if this is true for estimated values of
apartments of other companies. Let be the appraisal value of an
apartment of other companies by appraiser A. Let *: be the appraisal
value of an apartment of other companies by appraiser B. Also, let
D = X, - X1. The company selected a random sample of apartments of
other companies. Let be the appraisal value of each apartment in the
sample by appraiser A. Let be the appraisal value of each apartment
in the sample by appraiser B. The measurements and » are in
thousands of euros and are given below. Let d = x, - x. At the 5% level
of significance, do these data provide enough evidence to conclude
that the mean estimation of the appraisal values of apartments by
appraiser A is bigger than the mean estimation of the appraisal values
of apartments by appraiser B?
apartment x |x, apartment x, X2 apartment x x2
1
176 174
19
155 164
37
201205
164 160
20
190 189
38
155 148
3
153 145
21
187 186
39
162|166
4
184|180
22
207211
40
198|193
5
184 178
23
164 164
41
189 184
6.
207 211
24
204205
42
190 184
196 198
25
179 174
43
189 189
8
163 162
26
193 198
44
149 143
180|186
27
209209
45
223 223
10
191 196
28
186|187
46
184 180
11
148 141
29
166 162
47
185|189
12
220217
30
189 180
48
190|188
13
219 211
31
173 177
49
148 140
14
140 144
32
184 178
50
187 184
15
161 162
33
144|139
51
188187
16
188183
34
188 190
52
186 187
17
159 160
35
169 165
53
200 197
18
203216
36
181 183
54
167 170
2.
Transcribed Image Text:Question 10 { 3 decimal places }
Find the p-value.
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