G11 SUPER GIO
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PRACTICE MISSIONsampling, inference, variability, and communication

sampling, inference, variability, and communication

NEW CASENEW EVIDENCE

A/B test with attrition

Version A: 1,000 assigned, 700 complete, 280 succeed. Version B: 1,000 assigned, 500 complete, 230 succeed. Team reports 40% versus 46% among completers.

  1. Completion differs sharply.
  2. Success among all assigned is 28% versus 23%.
  3. Conditioning on completers can bias comparison.

What analysis should lead?

MODELUncertainty Dashboard
DATA
PROVEChoose with evidence
CLUE

Pause. Find what matters. Then make your move.