Common mistake
Reading a big gap between mean and median as a mistake
It sounds like this
“If the average and the median are that far apart, somebody must have got the figures wrong.”
Why it’s wrong
A gap is information about the shape of the numbers, not a sign of bad data; lopsided numbers are supposed to produce one.
The lesson that fixes it
Cognosc spots mistakes like this.
When you explain something in your own words, Cognosc can tell exactly which mistake you’re making — not just that you’re wrong — and gives you a short lesson to fix that one thing.