Premium6 ProblemsSQL & Python
A/B Testing & Experiment Analysis Practice
Analyze experiments end to end with SQL and Python: aggregate variants correctly, calculate absolute and relative lift, check sample adequacy, run significance tests, interpret multi-arm experiments, and apply covariate adjustment without leaking post-treatment information.
Difficulty Breakdown
6 problems0 Easy(0%)
0 Medium(0%)
3 Hard(50%)
3 Expert(50%)
Skills You'll Practice
37 skillsab testanovabaselinechi squarechi2_contingencycontingency tableconversion ratecovariate adjustmentcross joinctrcupedexperimentexperiment analysisexperiment designf_onewayfeature engineeringhypothesis testinterview classicmdemulti armmulti ctenumpypandas mergingplan comparisonpower analysisproportion testsample sizescipysignificancesql onlystatistical testt testttest_indvariancevariance reductionwelchz score
All Problems6 total
Explore more topics
Practice with 1,625 problems across SQL and Python — window functions, joins, pandas, and more.
All company names, logos, and trademarks are the property of their respective owners.
Their use is for identification purposes only and does not imply endorsement.