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23. 100 , .
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27. ( % ) .
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[11-12) | [12-13) | [13-14) | [14-15) | [15-16) | [16-17) | [17-18] | |
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29. 800 , :
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30. 200 ,
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STATISTICA.
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1. , , : t-test for independent samples ( ).
2. :
Input file ( ), :
Each variable contains the data for one group ( ). .
3. T-test . .
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: , , : .
:
Pearson Chi-square ϳ;
Maximum-Likelihood Chi-square ;
Fisher exact test Գ;
McNemar Chi-square (A/D, B/C). -;
Coefficient of contingency .
,
ϳ :
Spearman R ;
Kendall tau ;
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