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The Case of the Bloody Iris (1972) poster
1972
global pct
76.1

Film · 1972 · Films · 1970s

The Case of the Bloody Iris

Two parallel scores from 52 z-qualifying reviewers and 54 raw-average reviewers. Cohort: Films · 1970s (2,406 peers).

76.1%
Z · Global
69.6%
Z · Cohort
Films · 1970s
56.8%
Raw · Global
53.0%
Raw · Cohort
Films · 1970s
Two scores · one item
↑ critic-elevated · 19-pt gap
Z-normalized · global
76.1
Z-normalized · cohortFilms · 1970s
69.6
Raw average · global
56.8
Raw average · cohortFilms · 1970s
53.0

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. The 19-point gap is the rating-inflation signature for this title — discriminating reviewers liked it more than the casual crowd.

Where this title sits

0255075100

Z-normalized percentile · 2,406 peers in Films · 1970s

Mean reviewer z-score+0.315
DB1 raw-mean rating6.90 /10
DB2 raw-mean rating6.96 /10
90% CI-floor (z)+0.087
Reviewers (DB1 / DB2)52 / 54

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

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

02
Aggregate

Mean z = +0.315. DB2 raw mean = 6.96.

03
CI-floor

90% CI-floor = +0.087. Thin samples penalized.

04
ECDF percentile

Global 76.1 / cohort 69.6. Z-track and raw-track ranked separately.

Cohort: Films · 1970s

Closest peers in the same cohort

See all 52,376