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Patio, Lawn & Garden

Garden Tutor Soil pH Test Kit – 100 Strips with AI-Powered Web Reader – Accurate Testing for Lawn, Garden & Compost – pH 3.5–9

Patio, Lawn & Garden4.2· 46,574 Amazon ratings

Bias-adjusted across 46,574 Amazon ratings, Bayesian-shrunk to the category prior so the headline score reflects relative quality — not a raw star average. Cohort: Patio, Lawn & Garden.

20.1%
Percentile · Global
19.6%
Percentile · Cohort
Patio, Lawn & Garden
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Garden Tutor Soil pH Test Kit – 100 Strips with AI-Powered Web Reader – Accurate Testing for Lawn, Garden & Compost – pH 3.5–9

How the score was built

Amazon ratings
46,574

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
0.185

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

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Same category · Patio, Lawn & Garden

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