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Customer reviews, including the stars’s evaluations of the product, help customers to have more information on the product and decide if it is the right product for them.
To calculate the overall evaluation and the percentage distribution per star, we do not use a simple average. Rather, our system considers things like what a review is recent and if the reviewer has purchased the item on Amazon. He also analyzed the reviews to verify its reliability.
More information about how customer reviews work for Amazon
