Did armsignificantly beat baseline on metric — a positive gap whose
two-sided Welch t-test p-value is below alpha (default 0.05)? The grounded
upgrade over improvement: the noise floor is computed from the arms' spread,
not hand-fed. False when either arm/metric is missing. See src/stats.ts.
Did
armsignificantly beatbaselineonmetric— a positive gap whose two-sided Welch t-test p-value is belowalpha(default 0.05)? The grounded upgrade overimprovement: the noise floor is computed from the arms' spread, not hand-fed. False when either arm/metric is missing. Seesrc/stats.ts.