Which statistical sampling innovation, developed in the 1940s, revolutionized market research for mathematics textbook publishers by allowing them to accurately predict adoption rates with smaller sample sizes?

Market research in mathematics education has evolved dramatically with statistical methods. Before modern analysis tools became widespread, mathematicians and educators relied on various techniques to understand how students learn and what products would best support their mathematical development. This poll explores a pivotal moment in the history of mathematical education market research that changed how educational products are developed and marketed today.

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

Stratified random sampling, pioneered by Jerzy Neyman
Quota sampling, developed by George Gallup
Monte Carlo methods, introduced by Stanislaw Ulam
Cluster sampling, formalized by Morris Hansen