analytics-dictionary / term / experimentation
Statistics
Statistics is the science of collecting, analysing and interpreting data, and quantifying uncertainty.
Written by Reflective Data experts · updated Oct 5, 2026
In experimentation it gives you the tools to tell real effects from random noise. The two main schools are frequentist and Bayesian statistics.
Understanding the basics prevents costly mistakes, like calling a test early or trusting a result that is only noise.
related
Bayesian statisticsFrequentist statisticsP-valueStatistical significance
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