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Pet Supplies

2 Pieces Floating Fish Tank Decorations，Aquarium Decorations Decor, Astronauts Small Fish Tank Decorations，Floating Device Fish Tank Accessories

Pet Supplies4.2· 720 Amazon ratings

Bias-adjusted across 720 Amazon ratings, Bayesian-shrunk to the category prior so the headline score reflects relative quality — not a raw star average. Cohort: Pet Supplies.

22.9%
Percentile · Global
21.8%
Percentile · Cohort
Pet Supplies
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2 Pieces Floating Fish Tank Decorations，Aquarium Decorations Decor, Astronauts Small Fish Tank Decorations，Floating Device Fish Tank Accessories

How the score was built

Amazon ratings
720

used for the Bayesian percentile

Raw star average
4.2 / 5

unadjusted Amazon mean

Bayesian avg
4.21

raw rating shrunk to the category prior

Reviewer-graph z
-0.102

bias-corrected vs. each reviewer's baseline (1 qualifying)

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Same category · Pet Supplies

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