John Maeda tweeted this link to an excellent, intuitive explanation of Standard Deviation by Amar Sagoo. Standard Deviation, Explained Intuitively

# Tag Archives: statistics

## A/B testing for the statistically inclined

Another of my clients is about embark on another round of A/B testing, so I thought I’d post some of my favorite A/B testing resources, summarizing each as a single rule: Why you should always set your sample size (n) in advance:In How Not to Run an A/B Test @evmill makes the case for always fixing yourContinue reading “A/B testing for the statistically inclined”

## What Is a Confidence Interval and Why Would You Want One?

The best (and least “mathy”) explanation I’ve seen for Confidence Intervals in a long time. Anyone who relies on quantitative research should understand this. What Is a Confidence Interval and Why Would You Want One?