Download Statistics for Online Experiments
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Think and act like a statistician.

Statistics is a core competency of any optimization program. Boost your stats skills with an actionable overview of how to run statistically rigorous experiments.

Learn about statistical significance, statistical error, and the concepts behind Optimizely’s Stats Engine:
  • Best practices for running your experiments to statistical significance
  • Tips for communicating results, optimizing low-traffic pages, using confidence intervals, and more
  • How Optimizely is creating an always-valid view of statistical significance
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Run online experiments with confidence.
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