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Patio, Lawn & Garden

Echo 191 MPH 354 CFM 25.4 cc Gas 2-Stroke Low Noise Handheld Leaf Blower PB-255LN

Patio, Lawn & Garden4.6· 472 Amazon ratings

Bias-adjusted across 472 Amazon ratings, Bayesian-shrunk to the category prior so the headline score reflects relative quality — not a raw star average. Cohort: Patio, Lawn & Garden.

88.6%
Percentile · Global
88.6%
Percentile · Cohort
Patio, Lawn & Garden
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Echo 191 MPH 354 CFM 25.4 cc Gas 2-Stroke Low Noise Handheld Leaf Blower PB-255LN

How the score was built

Amazon ratings
472

used for the Bayesian percentile

Raw star average
4.6 / 5

unadjusted Amazon mean

Bayesian avg
4.55

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 · Patio, Lawn & Garden

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