Statistics |
Men |
Women |
Middle school students |
Secondary school students |
Middle school students |
Secondary school students |
men |
women |
men |
women |
Number of participants |
204 |
248 |
150 |
304 |
73 |
77 |
131 |
171 |
Minimum |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
Maximum |
4 |
4 |
4 |
4 |
4 |
4 |
4 |
4 |
Median |
3 |
3 |
3 |
3 |
3 |
3 |
3 |
3 |
Skewness |
-0,35 |
-0,49 |
-0,42 |
-0,44 |
-0,40 |
-0,43 |
-0,32 |
-0,53 |
Kurtosis |
-0,91 |
-0,80 |
-0,58 |
-0,97 |
-0,54 |
-0,62 |
-1,07 |
-0,86 |
K-S normality test value with Lilliefors ammendment |
0,19 |
0,21 |
0,19 |
0,20 |
0,18 |
0,19 |
0,19 |
0,22 |
K-S normality test significance level |
0,001 |
0,001 |
0,001 |
0,001 |
0,001 |
0,001 |
0,001 |
0,001 |
95% confidence interval for arithmetic mean |
2,29-2,64 |
2,45-2,75 |
2,28-2,66 |
2,43-2,71 |
2,25-2,79 |
2,15-2,71 |
2,21-2,66 |
2,49-2,86 |
Arithmetic mean |
2,45 |
2,60 |
2,47 |
2,57 |
2,52 |
2,43 |
2,43 |
2,68 |
Standard deviation |
1,25 |
1,22 |
1,18 |
1,25 |
1,14 |
1,22 |
1,30 |
1,21 |
Mann Whitney`s test U value |
23746,50 |
21578,50 |
2716,00 |
10057,00 |
Mann Whitney`s test Z value |
-1,16 |
-0,96 |
-0,37 |
-1,57 |
Mann Whitney`s test significance level |
0,25 |
0,34 |
0,71 |
0,12 |