Divided into 15 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 15 parts:

Part 1st: 3 - 5

Part 2nd: 6 - 8

Part 3rd: 9 - 11

Part 4th: 12 - 14

Part 5th: 15 - 16

Part 6th: 17 - 18

Part 7th: 19 - 20

Part 8th: 21 - 22

Part 9th: 23 - 24

Part 10th: 25 - 26

Part 11th: 27 - 28

Part 12th: 29 - 30

Part 13th: 31 - 32

Part 14th: 33 - 34

Part 15th: 35 - 36