March 14 (or 3/14) is Pi Day. During this somewhat whimsical holiday, science nerds around the globe eat pies and perform needlessly complicated operations to celebrate the fact that the ratio between a circle’s circumference and diameter is 3.14152653… It may be a little confusing from the outside, but that’s sort of the point. 522 more words
Tags » Gaussian
Confidence intervals are a little bit tricky in a sense that people don’t define what they really mean by confidence interval.
Now let me tell you a scenario using which you can start understanding CIs on a very basic level. 611 more words
A lot of random variables follow a known distribution. It is therefore good to know some of the most common distributions and what they model. Remembering their PMFs or PDFs is not necessary. 382 more words