EuroDreams last-digit statistics: how are the final digits distributed?
Last digit = the final digit of a number (7, 17, 27 … have the last digit 7). A popular strategy says the winning numbers should have as many different last digits as possible. Here are the figures.
Frequency of each last digit
| Last digit | Observed | Expected | |
|---|---|---|---|
| 0 | 184 | 184.2 | |
| 1 | 181 | 184.2 | |
| 2 | 187 | 184.2 | |
| 3 | 204 | 184.2 | |
| 4 | 198 | 184.2 | |
| 5 | 169 | 184.2 | |
| 6 | 158 | 184.2 | |
| 7 | 187 | 184.2 | |
| 8 | 199 | 184.2 | |
| 9 | 175 | 184.2 |
How many different last digits does a draw have?
| Observed | Share | Expected | |
|---|---|---|---|
| 6 different | 64 | 20.8 % | 22.4 % |
| 5 different | 159 | 51.8 % | 50.4 % |
| 4 different | 76 | 24.8 % | 24.5 % |
| 3 different | 8 | 2.6 % | 2.7 % |
| 2 different | 0 | 0.0 % | 0.0 % |
Line with different last digits
Expected values are exact or simulated, assuming purely random draws. The draws follow chance exactly, and a last-digit rule does not change your chance of winning.