Amazon calculates a product’s star ratings based on a machine learned model instead of a raw data average. The model takes into account factors including the age of a rating, whether the ratings are from verified purchasers, and factors that establish reviewer trustworthiness.
What can I say about Pete the Cat! This book has so many teaching moments. The one that I worked on with my students was, "which duck was missing?" We read it many times!! I highly recommend this book!!