Quality Tools
Chi square
Data
Real frequencies
A
B
C
D
Sum
S1
325
412
398
509
1644
S2
9
13
6
10
38
Sum
334
425
404
519
1682
Real relat. frequencies
A
B
C
D
Sum
S1
19.32%
24.49%
23.66%
30.26%
97.74%
S2
0.54%
0.77%
0.36%
0.59%
2.26%
Sum
19.86%
25.27%
24.02%
30.86%
100%
Theoretical frequencies (H0)
326.45
415.4
394.87
507.27
7.55
9.6
9.13
11.73
Theoretical relat. frequencies (H0)
19.41%
24.7%
23.48%
30.16%
0.45%
0.57%
0.54%
0.7%
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Vladimír Volko