Which mathematical concept forms the foundation of A/B testing, a critical methodology in retail digital transformation for optimizing website design and customer experience?

In today's data-driven retail environment, mathematical models and metrics play a crucial role in digital transformation strategies. Advanced analytics have revolutionized how retailers understand customer behavior, optimize inventory, and measure marketing effectiveness. This trivia question explores a specific mathematical concept that has become fundamental to modern retail performance measurement in the digital age.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

Hypothesis testing (statistical significance)
Differential calculus (rate of change)
Linear regression (predictive modeling)
Markov chains (probabilistic sequence prediction)