have you passed the f-tests?

Founded and operated by PhD statisticians, computer scientists, and MBA business specialists from Stanford, Harvard, and Princeton, f-tests employs our quantitative expertise to deliver high-quality and actionable solutions on projects of any size and complexity.  We use cutting-edge statistical techniques combined with state-of-the-art computational power to analyze complex data and translate mathematical results into in-depth, practical solutions.
source: xkcd.com

power of statistics

"Robust, unbiased data are the first step toward addressing our long-term economic needs and key policy priorities"
-Peter R. Orszag
Director of the US Office of Management and Budget