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NASB Large Print Ultrathin Reference Bible, Dark Brown, Leathertex, 2020 text
global pct
78.6

Book

NASB Large Print Ultrathin Reference Bible, Dark Brown, Leathertex, 2020 text

Two parallel scores from 3 calibrated reviewers and 5 raw-average reviewers.

78.6%
Z · Global
78.6%
Z · Cohort
83.1%
Raw · Global
83.1%
Raw · Cohort
Two scores · one item
Z-normalized · global
78.6
Z-normalized · cohortpublication decade
78.6
Raw average · global
83.1
Raw average · cohortpublication decade
83.1

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+0.408
Calibrated raw-mean rating5.00 /5
Broad raw-mean rating5.00 /5
90% CI-floor (z)-0.542
Reviewers (calibrated / broad)3 / 5

Summary

NASB Large Print Ultrathin Reference Bible, Dark Brown, Leathertex, 2020 text sits at the 79th 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 83; 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 = +0.408. Broad raw mean = 5.00/5.

03
CI-floor

90% CI-floor = -0.542. Thin samples penalized.

04
ECDF percentile

Global 78.6. Z-track and raw-track ranked separately.

Similar percentile

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