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Sports & Outdoors

OPTP Lo Rox Body Sphere with Pump - Inflatable Small Pilates Ball with Pump for Exercise, Massage, and Core Workouts — from Lauren Roxburgh

Sports & Outdoors4.6· 633 Amazon ratings

Bias-adjusted across 633 Amazon ratings, Bayesian-shrunk to the category prior so the headline score reflects relative quality — not a raw star average. Cohort: Sports & Outdoors.

89.5%
Percentile · Global
87.7%
Percentile · Cohort
Sports & Outdoors
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OPTP Lo Rox Body Sphere with Pump - Inflatable Small Pilates Ball with Pump for Exercise, Massage, and Core Workouts — from Lauren Roxburgh

How the score was built

Amazon ratings
633

used for the Bayesian percentile

Raw star average
4.6 / 5

unadjusted Amazon mean

Bayesian avg
4.56

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 · Sports & Outdoors

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