Question

What is 'A/B testing' in data analytics?

A Comparing the performance of Algorithm A vs Algorithm B on the same Machine Learning task
B A controlled experiment that compares two versions (A = control, B = treatment) of a system/feature
C A data quality test comparing two datasets (Dataset A and Dataset B) for consistency
D A security testing methodology using two different penetration testing teams (Team A and Team B)
E A backup testing method comparing primary (A) and secondary (B) data storage
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