What statistical method is most commonly used by math education software companies to analyze patterns in student engagement with different problem types?

In the world of mathematics education products, understanding consumer behavior analytics is crucial for success. Companies that develop educational math software, textbooks, and learning tools rely heavily on data analysis to improve their offerings. This poll tests your knowledge about how mathematical product companies interpret and use consumer data to enhance their educational tools and platforms.

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Cluster analysis to identify groups of students with similar problem-solving approaches
Simple linear regression to predict future subscription renewals
Frequency distribution to count total problems attempted
Bayesian inference to determine the probability of software bugs