Rankquant
MethodologyAbout

Sports & Outdoors

Funcode Half Ball Balance Trainer 23'' with Resistance Bands,Yoga Balance Ball Anti Slip Surface with Foot Pump for Strength Exercise Physical Therapy & Gym

Sports & Outdoors4.5· 3,876 Amazon ratings

Bias-adjusted across 3,876 Amazon ratings, Bayesian-shrunk to the category prior so the headline score reflects relative quality — not a raw star average. Cohort: Sports & Outdoors.

84.1%
Percentile · Global
81.0%
Percentile · Cohort
Sports & Outdoors
View on Amazon

Amazon Associates link · as an Amazon Associate we earn from qualifying purchases, at no extra cost to you.

Funcode Half Ball Balance Trainer 23'' with Resistance Bands,Yoga Balance Ball Anti Slip Surface with Foot Pump for Strength Exercise Physical Therapy & Gym

How the score was built

Amazon ratings
3,876

used for the Bayesian percentile

Raw star average
4.5 / 5

unadjusted Amazon mean

Bayesian avg
4.49

raw rating shrunk to the category prior

Reviewer-graph z
0.408

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

Buy it: View on Amazon →

Same category · Sports & Outdoors

Similar products