Doubt between 3 and 5 does not average out to a 4.
3 stories of 5 does not equal 15.
5 stories of 1 does not equal 1 story of 5.
As you progress and improve your understanding and ability to deliver, will you deliver more points, lower your estimations, or divide work better?
A velocity, measured in expected estimated unspecified effort, to measure a size in multiple unspecified dimensions, expressed via incomparable numbers, is meaningless.
