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Mara (2018) poster
2018
global pct
21.5

Film · 2018 · Films · 2010s

Mara

Two parallel scores from 122 z-qualifying reviewers and 123 raw-average reviewers. Cohort: Films · 2010s (13,059 peers).

21.5%
Z · Global
26.1%
Z · Cohort
Films · 2010s
15.1%
Raw · Global
19.8%
Raw · Cohort
Films · 2010s
Two scores · one item
Z-normalized · global
21.5
Z-normalized · cohortFilms · 2010s
26.1
Raw average · global
15.1
Raw average · cohortFilms · 2010s
19.8

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 · 13,059 peers in Films · 2010s

Mean reviewer z-score-0.378
DB1 raw-mean rating5.12 /10
DB2 raw-mean rating5.08 /10
90% CI-floor (z)-0.527
Reviewers (DB1 / DB2)122 / 123

Summary

A criminal psychologist investigates the murder of a man whose wife claims he was killed by a sleep demon called Mara. As she digs deeper into the case, she uncovers a folkloric entity that attacks victims suffering from sleep paralysis, and soon finds herself targeted by the same supernatural force.

Pipeline applied to this title

The math, in this order

01
Z-score per reviewer

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

02
Aggregate

Mean z = -0.378. DB2 raw mean = 5.08.

03
CI-floor

90% CI-floor = -0.527. Thin samples penalized.

04
ECDF percentile

Global 21.5 / cohort 26.1. Z-track and raw-track ranked separately.

Cohort: Films · 2010s

Closest peers in the same cohort

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