1982
global pct
4.9
Film · 1982 · Films · 1980s
Piranha II: The Spawning
Two parallel scores from 76 z-qualifying reviewers and 78 raw-average reviewers. Cohort: Films · 1980s (3,141 peers).
4.9%
Z · Global
5.3%
Z · Cohort
Films · 1980s
9.9%
Raw · Global
6.5%
Raw · Cohort
Films · 1980s
Two scores · one item
Z-normalized · global
4.9Z-normalized · cohortFilms · 1980s
5.3Raw average · global
9.9Raw average · cohortFilms · 1980s
6.5Z-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 · 3,141 peers in Films · 1980s
| Mean reviewer z-score | -0.825 |
|---|---|
| DB1 raw-mean rating | 4.61 /10 |
| DB2 raw-mean rating | 4.63 /10 |
| 90% CI-floor (z) | -1.014 |
| Reviewers (DB1 / DB2) | 76 / 78 |
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
76 stddev>0 reviewers re-centered onto personal z-scale.
02
Aggregate
Mean z = -0.825. DB2 raw mean = 4.63.
03
CI-floor
90% CI-floor = -1.014. Thin samples penalized.
04
ECDF percentile
Global 4.9 / cohort 5.3. Z-track and raw-track ranked separately.
Cohort: Films · 1980s
