Two readings of the same experiment. Day 4. Variant B is up 12.7% on conversion rate. 12,506 visitors in the variant, 12,418 in control. The number is green. Somebody screenshots it and drops it in Slack. Day 11. Variant B is up 12.7%. Same test, same split, same traffic mix. Same experiment, same lift. The only thing that changed is how long it was allowed to run. One of those two readings is a result. The other is a coin that has come up heads four times. Every dashboard I have...