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Experimental design, data analysis, and statistical tooling for modern teams. No hype, just the math.

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All topics A/B Testing Assumptions Difference Distributions Effect Sizes Goodness of Fit Model Evaluation Multi-Group Comparisons Prediction Regression Relationship Reporting Survival Analysis Two-Group Comparisons

DifferenceNov 20New

Single Sample Z-Test

A Single Sample Z-Test is a statistical test to determine if one group is significantly different from a known population value on your variable of interest

Difference Continuous Variable of Interest One Sample Tests

DifferenceNov 19New

Independent Samples T-Test

You should use an independent samples t-test to determine if 2 groups are significantly different from each other on your variable of interest.

Difference Continuous Variable of Interest Two Sample Tests (2 groups)