2019
global pct
25.6
Film · 2019 · Films · 2010s
Lucky Grandma
Two parallel scores from 15 z-qualifying reviewers and 15 raw-average reviewers. Cohort: Films · 2010s (13,059 peers).
25.6%
Z · Global
30.9%
Z · Cohort
Films · 2010s
33.6%
Raw · Global
41.6%
Raw · Cohort
Films · 2010s
Two scores · one item
Z-normalized · global
25.6Z-normalized · cohortFilms · 2010s
30.9Raw average · global
33.6Raw average · cohortFilms · 2010s
41.6Z-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 · 13,059 peers in Films · 2010s
| Mean reviewer z-score | -0.313 |
|---|---|
| DB1 raw-mean rating | 6.07 /10 |
| DB2 raw-mean rating | 6.07 /10 |
| 90% CI-floor (z) | -0.737 |
| Reviewers (DB1 / DB2) | 15 / 15 |
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
15 stddev>0 reviewers re-centered onto personal z-scale.
02
Aggregate
Mean z = -0.313. DB2 raw mean = 6.07.
03
CI-floor
90% CI-floor = -0.737. Thin samples penalized.
04
ECDF percentile
Global 25.6 / cohort 30.9. Z-track and raw-track ranked separately.
Cohort: Films · 2010s
