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Electronics & Phones

Black Frosted Matte Hard Shell Slim Sandstone Back Cover Case & Screen Protector for Oneplus One

Electronics & Phones4.2· 35 Amazon ratings

Bias-adjusted across 35 Amazon ratings, Bayesian-shrunk to the category prior so the headline score reflects relative quality — not a raw star average. Cohort: Electronics & Phones.

33.3%
Percentile · Global
37.0%
Percentile · Cohort
Electronics & Phones
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Black Frosted Matte Hard Shell Slim Sandstone Back Cover Case & Screen Protector for Oneplus One

How the score was built

Amazon ratings
35

used for the Bayesian percentile

Raw star average
4.2 / 5

unadjusted Amazon mean

Bayesian avg
4.27

raw rating shrunk to the category prior

Reviewer-graph z
0.577

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

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Same category · Electronics & Phones

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