Texas Two Step 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 | 959 | 910.3 | |
| 1 | 1165 | 1,213.7 | |
| 2 | 1236 | 1,213.7 | |
| 3 | 1192 | 1,213.7 | |
| 4 | 1229 | 1,213.7 | |
| 5 | 1198 | 1,213.7 | |
| 6 | 958 | 910.3 | |
| 7 | 908 | 910.3 | |
| 8 | 894 | 910.3 | |
| 9 | 881 | 910.3 |
How many different last digits does a draw have?
| Observed | Share | Expected | |
|---|---|---|---|
| 4 different | 1585 | 59.7 % | 59.4 % |
| 3 different | 994 | 37.4 % | 37.4 % |
| 2 different | 76 | 2.9 % | 3.2 % |
| 1 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.