// Towards Data Science · 13 March 2026

A Tale of Two Variances: Why NumPy and Pandas Give Different Answers

Imagine you are analyzing a small dataset: You want to calculate some summary statistics to get an idea of the distribution of this data, so you use numpy to calculate the mean and variance. Your output Looks like this: Great! Now you have an idea of the distribution of your data. However, your coll...

Towards Data Science

@towards-data-science · Kenneth McCarthy

towardsdatascience.com

Towards Data Science@towards-data-science