Perfect Insanity (track) by Disturbed
Year: 2008
From the album Indestructible (track #5)
Perfect Insanity appears on the following album(s) by Disturbed:
- Indestructible (track #5) (this album) (2008)
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Condition: Used
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Condition: New
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Perfect Insanity ratings
where:
av = trimmed mean average rating an item has currently received.
n = number of ratings an item has currently received.
m = minimum number of ratings required for an item to appear in a 'top-rated' chart (currently 10).
AV = the site mean average rating.
| Rating | Date updated | Member | Track ratings | Avg. track rating |
|---|---|---|---|---|
70/100  | 01/28/2023 12:28 | Imaybeparanoid | | 68/100 |
70/100 | 11/30/2022 02:36 | MultiDMT | | 75/100 |
80/100 | 10/30/2022 13:49 | wizardalien | | 75/100 |
90/100 | 09/02/2021 06:34 |  Adhitya | | 87/100 |
80/100 | 04/26/2020 17:35 | LosWochos | | 80/100 |
Rating metrics:
Outliers can be removed when calculating a mean average to dampen the effects of ratings outside the normal distribution. This figure is provided as the trimmed mean. A high standard deviation can be legitimate, but can sometimes indicate 'gaming' is occurring. Consider a simplified example* of an item receiving ratings of 100, 50, & 0. The mean average rating would be 50. However, ratings of 55, 50 & 45 could also result in the same average. The second average might be more trusted because there is more consensus around a particular rating (a lower deviation).
(*In practice, some tracks can have several thousand ratings)
This track has a Bayesian average rating of 76.7/100, a mean average of 77.1/100, and a trimmed mean (excluding outliers) of 77.1/100. The standard deviation for this track is 6.3.
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