1977
global pct
65.1
Film · 1977 · Films · 1970s
Greased Lightning
Two parallel scores from 16 z-qualifying reviewers and 16 raw-average reviewers. Cohort: Films · 1970s (2,406 peers).
65.1%
Z · Global
56.8%
Z · Cohort
Films · 1970s
73.0%
Raw · Global
73.6%
Raw · Cohort
Films · 1970s
Two scores · one item
Z-normalized · global
65.1Z-normalized · cohortFilms · 1970s
56.8Raw average · global
73.0Raw average · cohortFilms · 1970s
73.6Z-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 | +0.179 |
|---|---|
| DB1 raw-mean rating | 7.56 /10 |
| DB2 raw-mean rating | 7.56 /10 |
| 90% CI-floor (z) | -0.233 |
| Reviewers (DB1 / DB2) | 16 / 16 |
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
16 stddev>0 reviewers re-centered onto personal z-scale.
02
Aggregate
Mean z = +0.179. DB2 raw mean = 7.56.
03
CI-floor
90% CI-floor = -0.233. Thin samples penalized.
04
ECDF percentile
Global 65.1 / cohort 56.8. Z-track and raw-track ranked separately.
Cohort: Films · 1970s
