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CSB Large Print Personal Size Reference Bible, Black Genuine Leather, Red Letter, Presentation Page, Cross-References, Full-Color Maps, Easy-to-Read Bible Serif Type cover
global pct
27.8

Book

CSB Large Print Personal Size Reference Bible, Black Genuine Leather, Red Letter, Presentation Page, Cross-References, Full-Color Maps, Easy-to-Read Bible Serif Type

Two parallel scores from 3 calibrated reviewers and 4 raw-average reviewers.

27.8%
Z · Global
27.8%
Z · Cohort
6.4%
Raw · Global
6.4%
Raw · Cohort
Two scores · one item
↑ critic-elevated · 21-pt gap
Z-normalized · global
27.8
Z-normalized · cohortpublication decade
27.8
Raw average · global
6.4
Raw average · cohortpublication decade
6.4

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. The 21-point gap is the rating-inflation signature for this title — discriminating reviewers liked it more than the casual crowd.

Where this book sits

0255075100

Z-normalized percentile · 5,285 ranked books

Mean reviewer z-score-0.164
Calibrated raw-mean rating3.67 /5
Broad raw-mean rating4.00 /5
90% CI-floor (z)-1.114
Reviewers (calibrated / broad)3 / 4

Summary

CSB Large Print Personal Size Reference Bible, Black Genuine Leather, Red Letter, Presentation Page, Cross-References, Full-Color Maps, Easy-to-Read Bible Serif Type sits at the 28th 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 6; 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

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

02
Aggregate

Mean z = -0.164. Broad raw mean = 4.00/5.

03
CI-floor

90% CI-floor = -1.114. Thin samples penalized.

04
ECDF percentile

Global 27.8. Z-track and raw-track ranked separately.

Similar percentile

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