1979
global pct
35.9
Film · 1979 · Films · 1970s
The Butterfly Murders
Two parallel scores from 12 z-qualifying reviewers and 12 raw-average reviewers. Cohort: Films · 1970s (2,406 peers).
35.9%
Z · Global
29.4%
Z · Cohort
Films · 1970s
36.0%
Raw · Global
27.7%
Raw · Cohort
Films · 1970s
Two scores · one item
Z-normalized · global
35.9Z-normalized · cohortFilms · 1970s
29.4Raw average · global
36.0Raw average · cohortFilms · 1970s
27.7Z-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
Z-normalized percentile · 2,406 peers in Films · 1970s
| Mean reviewer z-score | -0.167 |
|---|---|
| DB1 raw-mean rating | 6.17 /10 |
| DB2 raw-mean rating | 6.17 /10 |
| 90% CI-floor (z) | -0.642 |
| Reviewers (DB1 / DB2) | 12 / 12 |
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
12 stddev>0 reviewers re-centered onto personal z-scale.
02
Aggregate
Mean z = -0.167. DB2 raw mean = 6.17.
03
CI-floor
90% CI-floor = -0.642. Thin samples penalized.
04
ECDF percentile
Global 35.9 / cohort 29.4. Z-track and raw-track ranked separately.
Cohort: Films · 1970s
