1977
global pct
68.4
Film · 1977 · Films · 1970s
Rollercoaster
Two parallel scores from 75 z-qualifying reviewers and 77 raw-average reviewers. Cohort: Films · 1970s (2,406 peers).
68.4%
Z · Global
60.9%
Z · Cohort
Films · 1970s
71.1%
Raw · Global
71.0%
Raw · Cohort
Films · 1970s
Two scores · one item
Z-normalized · global
68.4Z-normalized · cohortFilms · 1970s
60.9Raw average · global
71.1Raw average · cohortFilms · 1970s
71.0Z-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 | +0.217 |
|---|---|
| DB1 raw-mean rating | 7.44 /10 |
| DB2 raw-mean rating | 7.49 /10 |
| 90% CI-floor (z) | +0.027 |
| Reviewers (DB1 / DB2) | 75 / 77 |
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
75 stddev>0 reviewers re-centered onto personal z-scale.
02
Aggregate
Mean z = +0.217. DB2 raw mean = 7.49.
03
CI-floor
90% CI-floor = +0.027. Thin samples penalized.
04
ECDF percentile
Global 68.4 / cohort 60.9. Z-track and raw-track ranked separately.
Cohort: Films · 1970s
