# Tag: average

## python – Finding the average of a list

The Question : 524 people think this question is useful I have to find the average of a list in Python. This is my code so far I’ve got it so it adds together the values in the list, but I don’t know how to make it divide into them? The Question Comments : numpy.mean

## Why is an average of an average usually incorrect?

The Question : 104 people think this question is useful Can someone explain why taking an average of an average usually results in a wrong answer? Is there ever a case where the average of the average can be used correctly? As an example, let’s say that an assessment is given to three schools and

## exponential function – The math behind Warren Buffett’s famous rule – never lose money

The Question : 116 people think this question is useful This is a question about a mathematical concept, but I think I will be able to ask the question better with a little bit of background first. Warren Buffett famously provided 2 rules to investing: Rule No. 1: Never lose money. Rule No. 2: Never