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Air Fryer Cookbook - 3-Ring Binder: Tabbed Sections, Full-Color Photos, Splash Guards | 200+ Recipes | Add Your Own Recipes | Time & Temp Guide Included | Great Gift for Home Cooks cover
global pct
14.7

Book

Air Fryer Cookbook - 3-Ring Binder: Tabbed Sections, Full-Color Photos, Splash Guards | 200+ Recipes | Add Your Own Recipes | Time & Temp Guide Included | Great Gift for Home Cooks

Two parallel scores from 5 calibrated reviewers and 6 raw-average reviewers.

14.7%
Z · Global
14.7%
Z · Cohort
14.0%
Raw · Global
14.0%
Raw · Cohort
Two scores · one item
Z-normalized · global
14.7
Z-normalized · cohortpublication decade
14.7
Raw average · global
14.0
Raw average · cohortpublication decade
14.0

Z-normalized corrects for reviewer bias (every reviewer re-centered onto their personal scale). Raw average uses simple mean across the broader pool including stddev=0 reviewers.

Where this book sits

0255075100

Z-normalized percentile · 5,285 ranked books

Mean reviewer z-score-0.505
Calibrated raw-mean rating4.20 /5
Broad raw-mean rating4.33 /5
90% CI-floor (z)-1.240
Reviewers (calibrated / broad)5 / 6

Summary

Air Fryer Cookbook - 3-Ring Binder: Tabbed Sections, Full-Color Photos, Splash Guards | 200+ Recipes | Add Your Own Recipes | Time & Temp Guide Included | Great Gift for Home Cooks sits at the 15th z-normalized percentile across 5,285ranked books. The z-percentile differs from a raw star average because Rankquant subtracts each reviewer's personal baseline before aggregating — so a reader who rates everything 5 stars carries less weight than one who rates discerningly. Raw-average percentile is 14; the gap between the two measures how much bias-correction changes this title's standing. How percentiles are computed.

Pipeline applied to this title

The math, in this order

01
Z-score per reviewer

5 reviewers with rating variance re-centered onto a personal z-scale.

02
Aggregate

Mean z = -0.505. Broad raw mean = 4.33/5.

03
CI-floor

90% CI-floor = -1.240. Thin samples penalized.

04
ECDF percentile

Global 14.7. Z-track and raw-track ranked separately.

Similar percentile

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