Divided into 10 parts of average

The average is the sum of the digits of the lottery numbers, divided by the number of numbers(5).

Divide the average into 10 parts:

Part 1st: 3 - 5

Part 2nd: 6 - 8

Part 3rd: 9 - 11

Part 4th: 12 - 14

Part 5th: 15 - 17

Part 6th: 18 - 20

Part 7th: 21 - 23

Part 8th: 24 - 25

Part 9th: 26 - 27

Part 10th: 28 - 29