Table 1. Analysis of birth dates distribution by quarter of Polish youth basketball players between 2013 and 2016.
|
|
Q1 (%) |
Q2 (%) |
Q3 (%) |
Q4 (%) |
TOTAL |
χ²3 |
p |
V |
Effect |
♀ |
U 14 |
430 (35.02) |
319 (25.98) |
304 (24.75) |
175 (14.25) |
1228 |
56.92 |
<.0001 |
.15 |
small |
U 16 |
318 (34.49) |
269 (29.18) |
207 (22.45) |
128 (13.88) |
922 |
47.55 |
<.0001 |
.16 |
medium |
U 18 |
268 (29.78) |
270 (30.00) |
213 (23.67) |
149 (16.55) |
900 |
23.61 |
<.0001 |
.11 |
small |
U 22 |
107 (29.00) |
113 (30.62) |
82 (22.22) |
67 (18.16) |
369 |
7.81 |
<.05 |
.10 |
small |
♂ |
U 14 |
468 (38.27) |
361 (29.52) |
247 (20.19) |
147 (12.02) |
1223 |
101.26 |
<.0001 |
.20 |
medium |
U 16 |
388 (41.86) |
271 (29.23) |
179 (19.31) |
89 (9.60) |
927 |
112.98 |
<.0001 |
.25 |
medium |
U 18 |
341 (37.60) |
276 (30.43) |
178 (19.62) |
112 (12.35) |
907 |
72.70 |
<.0001 |
.20 |
medium |
U 20 |
277 (34.98) |
213 (26.89) |
171 (21.59) |
131 (16.54) |
792 |
29.31 |
<.0001 |
.14 |
medium |
χ²
3 – chi-squared test value; p – probability value; V – Cramer`s V value