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Escape from Alcatraz (1979) poster
1979
global pct
85.9

Film · 1979 · Films · 1970s

Escape from Alcatraz

Two parallel scores from 210 z-qualifying reviewers and 212 raw-average reviewers. Cohort: Films · 1970s (2,406 peers).

85.9%
Z · Global
82.4%
Z · Cohort
Films · 1970s
79.7%
Raw · Global
81.8%
Raw · Cohort
Films · 1970s
Two scores · one item
Z-normalized · global
85.9
Z-normalized · cohortFilms · 1970s
82.4
Raw average · global
79.7
Raw average · cohortFilms · 1970s
81.8

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 · 2,406 peers in Films · 1970s

Mean reviewer z-score+0.464
DB1 raw-mean rating7.81 /10
DB2 raw-mean rating7.83 /10
90% CI-floor (z)+0.351
Reviewers (DB1 / DB2)210 / 212

Summary

Based on a true story, bank robber Frank Morris is transferred to the maximum-security prison on Alcatraz Island, considered inescapable. Enduring the harsh regime of the warden and the brutal realities of life behind bars, Morris befriends fellow inmates and begins meticulously planning an audacious breakout from the island fortress.

Pipeline applied to this title

The math, in this order

01
Z-score per reviewer

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

02
Aggregate

Mean z = +0.464. DB2 raw mean = 7.83.

03
CI-floor

90% CI-floor = +0.351. Thin samples penalized.

04
ECDF percentile

Global 85.9 / cohort 82.4. Z-track and raw-track ranked separately.

Cohort: Films · 1970s

Closest peers in the same cohort

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