Example 19.15) An experiment is conducted to judge the effect of brand name on quality perception. Sixteen subjects are recruited for the purpose and are asked to taste and compare two samples of product on a set of scale items judged to be ordinal. The following data are obtained: Pair 3 4 7 8 9 10 Brand A 73 43 47 53 58 47 52 58 38 61 Brand B 51 41 43 41 47 32 24 58 43 53 Pair 11 12 13 14 15 16 Brand A 56 56 34 55 65 75 Brand B 52 57 44 57 40 68 Test the hypothesis, using Wilcoxon matched-pairs test, that there is no difference between per- ceived quality of the two samples. Use 5 percent level of significance.
Example 19.15) An experiment is conducted to judge the effect of brand name on quality perception. Sixteen subjects are recruited for the purpose and are asked to taste and compare two samples of product on a set of scale items judged to be ordinal. The following data are obtained: Pair 3 4 7 8 9 10 Brand A 73 43 47 53 58 47 52 58 38 61 Brand B 51 41 43 41 47 32 24 58 43 53 Pair 11 12 13 14 15 16 Brand A 56 56 34 55 65 75 Brand B 52 57 44 57 40 68 Test the hypothesis, using Wilcoxon matched-pairs test, that there is no difference between per- ceived quality of the two samples. Use 5 percent level of significance.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Example 19.15) An experiment is conducted to judge the effect of brand name on quality perception.
Sixteen subjects are recruited for the purpose and are asked to taste and compare two samples of
product on a set of scale items judged to be ordinal. The following data are obtained:
Pair
1
4
7
8.
10
Brand A
73
43
47
53
58
47
52
58
· 38
61
Brand B
51
41
43
41
47
32
24
58
43
53
Pair
11
12
13
14
15
16
Brand A
56
56
34
55
65
75
Brand B
52
57
44
57
40
68
Test the hypothesis, using Wilcoxon matched-pairs test, that there is no difference between per-
ceived quality of the two samples. Use 5 percent level of significance.
2.
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