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by PirateDave
3534 days ago
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I just looked into why that is the case and if you hover over the little dropdown carrot for the "3.8 out of 5" you see this: Amazon calculates a product’s star ratings using a machine learned model instead of a raw data average. The machine learned model takes into account factors including: the age of a review, helpfulness votes by customers and whether the reviews are from verified purchases. So a product would just need a small percentage of 5 star reviews in the beginning of the review period. |
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