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Home & Kitchen

Sharper Image 3" Cool Gel Memory Foam Mattress Topper, King

Home & Kitchen4.3· 329 Amazon ratings

Bias-adjusted across 329 Amazon ratings, Bayesian-shrunk to the category prior so the headline score reflects relative quality — not a raw star average. Cohort: Home & Kitchen.

45.4%
Percentile · Global
33.5%
Percentile · Cohort
Home & Kitchen
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Sharper Image 3" Cool Gel Memory Foam Mattress Topper, King

How the score was built

Amazon ratings
329

used for the Bayesian percentile

Raw star average
4.3 / 5

unadjusted Amazon mean

Bayesian avg
4.30

raw rating shrunk to the category prior

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Same category · Home & Kitchen

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