اختبار كروسكال واليس - KSU...
Transcript of اختبار كروسكال واليس - KSU...
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1-1-2015
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Kruskal-Wallis H TestNonparametric Test
1 One-Way-Anova 2 Mann-Whitney
3
Weiss, 2008
i ii iii
19.9 1 1.8 2 24.6 3
15.3 1 7.2 2 37 3
2.2 1 7.2 2 21.2 3
6.8 1 6.5 2 23.6 3
34.2 1 13.3 2 23 3
8.3 1 25.4 2 15.3 3
12 1 57.1 3
7 1 14.5 3
9.5 1 26 3
1.1 1
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Kruskal-Wallis Test
19.9 1 16
15.3 1 14.5
2.2 1 3
6.8 1 5
34.2 1 23
8.3 1 9
12 1 11
7 1 6
9.5 1 10
1.1 1 1
1.8 2 2
7.2 2 7.5
7.2 2 7.5
6.5 2 4
13.3 2 12
25.4 2 21
24.6 3 20
37 3 24
21.2 3 17
23.6 3 19
23 3 18
15.3 3 14.5
57.1 3 25
14.5 3 13
26 3 22
1
9.85
98.5
2
9.00
54
3
19.167
172.5
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(12
𝑁(𝑛 + 1)∑
𝑅𝑗2
𝑛𝑗
𝑘
𝑗=1
) − 3(𝑛 + 1)
(12
25(25 + 1)∑
98.52
10+
542
6+
172.52
9
𝑘
𝑗=1
) − 3(25 + 1)
= 9.923
1
2
3
4 5
𝐻0: µ1= µ2 = µ3
𝐻𝑎:
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SPSS
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Ranks
N Mean Rank
10 9.85
6 9.00
9 19.17
Total 25
Test Statisticsa,b
Chi-Square 9.930
df 2
Asymp. Sig. .007
a. Kruskal Wallis Test
b. Grouping Variable:
5
Mann-Whitney