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This Is Spinal Tap (1984) poster
1984
global pct
91.7

Film · 1984 · Films · 1980s

This Is Spinal Tap

Two parallel scores from 350 z-qualifying reviewers and 360 raw-average reviewers. Cohort: Films · 1980s (3,141 peers).

91.7%
Z · Global
91.5%
Z · Cohort
Films · 1980s
89.7%
Raw · Global
91.1%
Raw · Cohort
Films · 1980s
Two scores · one item
Z-normalized · global
91.7
Z-normalized · cohortFilms · 1980s
91.5
Raw average · global
89.7
Raw average · cohortFilms · 1980s
91.1

Z-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

0255075100

Z-normalized percentile · 3,141 peers in Films · 1980s

Mean reviewer z-score+0.581
DB1 raw-mean rating8.31 /10
DB2 raw-mean rating8.36 /10
90% CI-floor (z)+0.493
Reviewers (DB1 / DB2)350 / 360

Summary

A mock documentary follows the disastrous American tour of Spinal Tap, a fading British heavy metal band, as filmmaker Marty DiBergi captures their botched gigs, shrinking venues, and absurd backstage mishaps. Band tensions escalate when lead singer David St. Hubbins's girlfriend inserts herself into management, straining his friendship with guitarist Nigel Tufnel as the tour spirals toward collapse.

Pipeline applied to this title

The math, in this order

01
Z-score per reviewer

350 stddev>0 reviewers re-centered onto personal z-scale.

02
Aggregate

Mean z = +0.581. DB2 raw mean = 8.36.

03
CI-floor

90% CI-floor = +0.493. Thin samples penalized.

04
ECDF percentile

Global 91.7 / cohort 91.5. Z-track and raw-track ranked separately.

Cohort: Films · 1980s

Closest peers in the same cohort

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