Rankquant
MethodologyAbout

Sports & Outdoors

Eyson Inflatable Life Jacket Inflatable Life Vest Deluxe Leather PFD Automatic

Sports & Outdoors4.4· 31 Amazon ratings

Bias-adjusted across 31 Amazon ratings, Bayesian-shrunk to the category prior so the headline score reflects relative quality — not a raw star average. Cohort: Sports & Outdoors.

55.8%
Percentile · Global
47.3%
Percentile · Cohort
Sports & Outdoors
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Eyson Inflatable Life Jacket Inflatable Life Vest Deluxe Leather PFD Automatic

How the score was built

Amazon ratings
31

used for the Bayesian percentile

Raw star average
4.4 / 5

unadjusted Amazon mean

Bayesian avg
4.32

raw rating shrunk to the category prior

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Same category · Sports & Outdoors

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