How to pick products on Amazon (using bayesian statistics to help you decide)

A Case Study of Using Bayesian Inference for Decision Making

One question many of us come across while shopping on Amazon is: how do I compare two ratings? Amazon ratings give us two important pieces of information: the distribution of ratings (how many were five stars, four stars, three stars, two stars or one star) and how many reviews each product received. Comparing distributions can be pretty straightforward: we can compare the average ratings between two …

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