Daily Lotto 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 | 1191 | 1.157,1 | |
| 1 | 1547 | 1.542,8 | |
| 2 | 1553 | 1.542,8 | |
| 3 | 1507 | 1.542,8 | |
| 4 | 1545 | 1.542,8 | |
| 5 | 1578 | 1.542,8 | |
| 6 | 1560 | 1.542,8 | |
| 7 | 1139 | 1.157,1 | |
| 8 | 1137 | 1.157,1 | |
| 9 | 1128 | 1.157,1 |
How many different last digits does a draw have?
| Observed | Share | Expected | |
|---|---|---|---|
| 5 different | 1078 | 38,8 % | 39,5 % |
| 4 different | 1402 | 50,5 % | 49,1 % |
| 3 different | 289 | 10,4 % | 11,1 % |
| 2 different | 8 | 0,3 % | 0,4 % |
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.