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Home & Kitchen

Split Low Profile Wood Traditional Box Spring/Foundation For Mattress Set,

Home & Kitchen4.2· 2,637 Amazon ratings

Bias-adjusted across 2,637 Amazon ratings, Bayesian-shrunk to the category prior so the headline score reflects relative quality — not a raw star average. Cohort: Home & Kitchen.

21.5%
Percentile · Global
13.9%
Percentile · Cohort
Home & Kitchen
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Split Low Profile Wood Traditional Box Spring/Foundation For Mattress Set,

How the score was built

Amazon ratings
2,637

used for the Bayesian percentile

Raw star average
4.2 / 5

unadjusted Amazon mean

Bayesian avg
4.20

raw rating shrunk to the category prior

Reviewer-graph z
1.155

bias-corrected vs. each reviewer's baseline (0 qualifying)

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Same category · Home & Kitchen

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