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Automotive

briidea RV Surge Protector 30 Amp, Adapter Circuit Analyzer with LED Indicator Light, 30 Amp Male to 30 Amp Female for RV Trailer, Gray

Automotive4.6· 159 Amazon ratings

Bias-adjusted across 159 Amazon ratings, Bayesian-shrunk to the category prior so the headline score reflects relative quality — not a raw star average. Cohort: Automotive.

82.5%
Percentile · Global
86.6%
Percentile · Cohort
Automotive
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briidea RV Surge Protector 30 Amp, Adapter Circuit Analyzer with LED Indicator Light, 30 Amp Male to 30 Amp Female for RV Trailer, Gray

How the score was built

Amazon ratings
159

used for the Bayesian percentile

Raw star average
4.6 / 5

unadjusted Amazon mean

Bayesian avg
4.48

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 · Automotive

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