Divided into 5 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 5 parts:

Part 1st: 3 - 8

Part 2nd: 9 - 14

Part 3rd: 15 - 19

Part 4th: 20 - 24

Part 5th: 25 - 29