Rankquant
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Tools & Home Improvement

Keystone Standard Post Package

Tools & Home Improvement2.2· 41 Amazon ratings

Bias-adjusted across 41 Amazon ratings, Bayesian-shrunk to the category prior so the headline score reflects relative quality — not a raw star average. Cohort: Tools & Home Improvement.

3.7%
Percentile · Global
3.1%
Percentile · Cohort
Tools & Home Improvement
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Keystone Standard Post Package

How the score was built

Amazon ratings
41

used for the Bayesian percentile

Raw star average
2.2 / 5

unadjusted Amazon mean

Bayesian avg
3.68

raw rating shrunk to the category prior

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Same category · Tools & Home Improvement

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