Toys, Games & Music
Neewer 6"/15cm Optical Glass Triple Triangular Prism Physics Teaching Light Spectrum
Bias-adjusted across 70 Amazon ratings, Bayesian-shrunk to the category prior so the headline score reflects relative quality — not a raw star average. Cohort: Toys, Games & Music.
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How the score was built
- Amazon ratings
- 70
- Raw star average
- 4.6 / 5
- Bayesian avg
- 4.42
used for the Bayesian percentile
unadjusted Amazon mean
raw rating shrunk to the category prior
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Same category · Toys, Games & Music
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