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13 Reasons Why (2017) poster
2017
global pct
30.4

TV Series · 2017 · TV Series · 2010s

13 Reasons Why

Two parallel scores from 1,214 z-qualifying reviewers and 1,340 raw-average reviewers. Cohort: TV Series · 2010s (3,236 peers).

30.4%
Z · Global
20.0%
Z · Cohort
TV Series · 2010s
30.3%
Raw · Global
24.0%
Raw · Cohort
TV Series · 2010s
Two scores · one item
Z-normalized · global
30.4
Z-normalized · cohortTV Series · 2010s
20.0
Raw average · global
30.3
Raw average · cohortTV Series · 2010s
24.0

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 · 3,236 peers in TV Series · 2010s

Mean reviewer z-score-0.240
DB1 raw-mean rating5.78 /10
DB2 raw-mean rating5.92 /10
90% CI-floor (z)-0.288
Reviewers (DB1 / DB2)1,214 / 1,340

Summary

A high school student named Clay Jensen receives a box of cassette tapes recorded by his classmate Hannah Baker, who has recently committed suicide. Each tape reveals a different person and event that contributed to Hannah's decision to end her life. As Clay listens, he discovers the interconnected stories of betrayal, bullying, and trauma that surrounded Hannah.

DramaMysteryThriller

Pipeline applied to this title

The math, in this order

01
Z-score per reviewer

1,214 stddev>0 reviewers re-centered onto personal z-scale.

02
Aggregate

Mean z = -0.240. DB2 raw mean = 5.92.

03
CI-floor

90% CI-floor = -0.288. Thin samples penalized.

04
ECDF percentile

Global 30.4 / cohort 20. Z-track and raw-track ranked separately.

Cohort: TV Series · 2010s

Closest peers in the same cohort

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