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Health, Household & Baby

550ml Essential Oil Diffuser Wood Grain Aromatherapy Diffuser Ultrasonic Cool Mist Humidifier with Color LED Lights Changing Waterless Auto Shut-Off Bedroom Office Home Baby Room Yoga

Health, Household & Baby4.1· 10,313 Amazon ratings

Bias-adjusted across 10,313 Amazon ratings, Bayesian-shrunk to the category prior so the headline score reflects relative quality — not a raw star average. Cohort: Health, Household & Baby.

13.3%
Percentile · Global
12.2%
Percentile · Cohort
Health, Household & Baby
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550ml Essential Oil Diffuser Wood Grain Aromatherapy Diffuser Ultrasonic Cool Mist Humidifier with Color LED Lights Changing Waterless Auto Shut-Off Bedroom Office Home Baby Room Yoga

How the score was built

Amazon ratings
10,313

used for the Bayesian percentile

Raw star average
4.1 / 5

unadjusted Amazon mean

Bayesian avg
4.10

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 · Health, Household & Baby

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