The average is the sum of the digits of the lottery numbers, divided by the number of numbers(7).
Divide the average value into 7 parts:
Part 1st: 4 - 9
Part 2nd: 10 - 15
Part 3rd: 16 - 21
Part 4th: 22 - 27
Part 5th: 28 - 32
Part 6th: 33 - 37
Part 7th: 38 - 42