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Health, Household & Baby

30 Pack Aaa Batteries

Health, Household & Baby3.9· 197,333 Amazon ratings

Bias-adjusted across 197,333 Amazon ratings, Bayesian-shrunk to the category prior so the headline score reflects relative quality — not a raw star average. Cohort: Health, Household & Baby.

6.5%
Percentile · Global
5.4%
Percentile · Cohort
Health, Household & Baby
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How the score was built

Amazon ratings
197,333

used for the Bayesian percentile

Raw star average
3.9 / 5

unadjusted Amazon mean

Bayesian avg
3.90

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 · Health, Household & Baby

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