Patio, Lawn & Garden
Rainwater Collection System for 2x3 Downspouts | Green PLA Cylindrical Gutter Water Diverter | Made in USA
Bias-adjusted across 113 Amazon ratings, Bayesian-shrunk to the category prior so the headline score reflects relative quality — not a raw star average. Cohort: Patio, Lawn & Garden.
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How the score was built
- Amazon ratings
- 113
- Raw star average
- 3.1 / 5
- Bayesian avg
- 3.66
- Reviewer-graph z
- -0.707
used for the Bayesian percentile
unadjusted Amazon mean
raw rating shrunk to the category prior
bias-corrected vs. each reviewer's baseline (0 qualifying)
Buy it: View on Amazon →
Same category · Patio, Lawn & Garden
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