1973
global pct
18.4
Film · 1973 · Films · 1970s
Black Mama White Mama
Two parallel scores from 48 z-qualifying reviewers and 48 raw-average reviewers. Cohort: Films · 1970s (2,406 peers).
18.4%
Z · Global
13.3%
Z · Cohort
Films · 1970s
23.8%
Raw · Global
15.1%
Raw · Cohort
Films · 1970s
Two scores · one item
Z-normalized · global
18.4Z-normalized · cohortFilms · 1970s
13.3Raw average · global
23.8Raw average · cohortFilms · 1970s
15.1Z-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 | -0.434 |
|---|---|
| DB1 raw-mean rating | 5.60 /10 |
| DB2 raw-mean rating | 5.60 /10 |
| 90% CI-floor (z) | -0.671 |
| Reviewers (DB1 / DB2) | 48 / 48 |
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
48 stddev>0 reviewers re-centered onto personal z-scale.
02
Aggregate
Mean z = -0.434. DB2 raw mean = 5.60.
03
CI-floor
90% CI-floor = -0.671. Thin samples penalized.
04
ECDF percentile
Global 18.4 / cohort 13.3. Z-track and raw-track ranked separately.
Cohort: Films · 1970s
