Did I say mandatory? I meant optional! You’re “free” to die in a cardboard box under a freeway as a market capitalist scarecrow warning to the other ants so they keep showing up to make us more!
Did I say mandatory? I meant optional! You’re “free” to die in a cardboard box under a freeway as a market capitalist scarecrow warning to the other ants so they keep showing up to make us more!
Average and mean are the same thing (sum of everything divided by total number of things). Median is the middle number.
No, that’s just the arithmetic mean. There a other often more appropriate means that can be used. Arithmetic mean is just the one most commonly taught.
Colloquially, average is the mean. Mathematically, average can be either mean, median, or mode.