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Home & Kitchen

Platypus Platy Preserve Wine Preserver, Single

Home & Kitchen4.7· 616 Amazon ratings

Bias-adjusted across 616 Amazon ratings, Bayesian-shrunk to the category prior so the headline score reflects relative quality — not a raw star average. Cohort: Home & Kitchen.

95.3%
Percentile · Global
93.5%
Percentile · Cohort
Home & Kitchen
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Platypus Platy Preserve Wine Preserver, Single

How the score was built

Amazon ratings
616

used for the Bayesian percentile

Raw star average
4.7 / 5

unadjusted Amazon mean

Bayesian avg
4.64

raw rating shrunk to the category prior

Reviewer-graph z
0.707

bias-corrected vs. each reviewer's baseline (0 qualifying)

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Same category · Home & Kitchen

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