This statistics show how many History Differences fit into +/-10 range.
For example the latest two draws in Expert Lotto 6/49 Demo lottery have the following History differences:
Level 0 | Level 1 | Level 2 | Level 3 | Level 4 | Level 5 | Level 6 | Level 7 | Level 8 | Level 9 | Level 10 | ||||||||
2010/28 Sun 2nd | 23 | 29 | 36 | 42 | 44 | 47 | [07] | +13 | -14 | -27 | +17 | +3 | +8 | +12 | -5 | +23 | +11 | +31 |
2010/28 Sun 1st | 06 | 13 | 14 | 19 | 41 | 42 | [29] | -3 | -28 | -16 | +16 | -35 | -7 | +9 | +7 | +25 | +16 | +21 |
You can see that in the latest draw 2010/28 Sun 2nd there are three Levels where the History difference is in the range of -10 to +10 (highlighted with blue background). In previous draw 2010/28 Sun 1st there are four such Levels (highlighted with green background).
If you analyze the whole winning numbers database of the Expert Lotto 6/49 Demo lottery you will find out that very frequently there are 4 to 5 Levels where the History differences are in the range -10 to +10.
The range values are adjustable in application options under menu Tools - Options - History - Ranges. The default values are -10 to +10.
These statistics are available in summary form and also as per-ticket properties.
See also Sums History ticket filter - condition The difference in X to Y levels is at most A to B - and Difference Ranges statistics.