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Beauty & Personal Care

Sonic Skin Scrubber with LCD Screen NEW SPA

Beauty & Personal Care4.0· 37 Amazon ratings

Bias-adjusted across 37 Amazon ratings, Bayesian-shrunk to the category prior so the headline score reflects relative quality — not a raw star average. Cohort: Beauty & Personal Care.

23.3%
Percentile · Global
26.4%
Percentile · Cohort
Beauty & Personal Care
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Sonic Skin Scrubber with LCD Screen NEW SPA

How the score was built

Amazon ratings
37

used for the Bayesian percentile

Raw star average
4.0 / 5

unadjusted Amazon mean

Bayesian avg
4.21

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 · Beauty & Personal Care

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