Rankquant
MethodologyAbout⌕ Search
Welcome Back, Kotter (1975) poster
1975
global pct
23.4

TV Series · 1975 · TV Series · 1970s

Welcome Back, Kotter

Two parallel scores from 21 z-qualifying reviewers and 23 raw-average reviewers. Cohort: TV Series · 1970s (220 peers).

23.4%
Z · Global
5.9%
Z · Cohort
TV Series · 1970s
25.6%
Raw · Global
5.5%
Raw · Cohort
TV Series · 1970s
Two scores · one item
Z-normalized · global
23.4
Z-normalized · cohortTV Series · 1970s
5.9
Raw average · global
25.6
Raw average · cohortTV Series · 1970s
5.5

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 title sits

0255075100

Z-normalized percentile · 220 peers in TV Series · 1970s

Mean reviewer z-score-0.346
DB1 raw-mean rating5.29 /10
DB2 raw-mean rating5.70 /10
90% CI-floor (z)-0.705
Reviewers (DB1 / DB2)21 / 23

Summary

Plot summary pending — enrichment is running across all 52,376 titles in the catalog.

Pipeline applied to this title

The math, in this order

01
Z-score per reviewer

21 stddev>0 reviewers re-centered onto personal z-scale.

02
Aggregate

Mean z = -0.346. DB2 raw mean = 5.70.

03
CI-floor

90% CI-floor = -0.705. Thin samples penalized.

04
ECDF percentile

Global 23.4 / cohort 5.9. Z-track and raw-track ranked separately.

Cohort: TV Series · 1970s

Closest peers in the same cohort

See all 52,376