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Distribution of the relative data frequencies from 2015−2017 and an assessment of their significance with the theoretical distributions
| Year | Q1 [%] | Q2 [%] | Q3 [%] | Q4 [%] | n | χ2 | p | w |
|---|---|---|---|---|---|---|---|---|
| 2015 | 31.7 | 22.1 | 26.4 | 19.8 | 398 | 14.0 | 0.00 | 0.19 |
| 2016 | 34.5 | 22.0 | 24.0 | 19.5 | 400 | 22.7 | 0.00 | 0.24 |
| 2017 | 33.3 | 22.1 | 25.1 | 19.5 | 402 | 19.1 | 0.00 | 0.22 |
| 2015-17 | 33.2 | 22.1 | 25.2 | 19.5 | 1,200 | 54.6 | 0.00 | 0.21 |
Explanatory notes: n…size of the group; χ2… chi-squared; p…significance level; w…effect size
