20% Amnesia (track) by Elvis Costello
20% Amnesia appears on the following album(s) by Elvis Costello:
- Brutal Youth (track #8) (this album) (1994)
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Listen to 20% Amnesia on YouTube
20% Amnesia 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.
Showing latest 5 ratings for this track. | Show all 13 ratings for this track.
| Rating | Date updated | Member | Track ratings | Avg. track rating |
|---|---|---|---|---|
100/100  | 11/29/2023 16:14 |  spigelwii | | 84/100 |
70/100 | 02/03/2023 21:00 | mrmcrook | | 78/100 |
80/100 | 05/07/2022 08:26 | LosWochos | | 80/100 |
70/100 | 03/15/2022 06:12 |  Jboy56 | | 78/100 |
80/100 | 01/27/2022 23:46 | matterhornrider | | 86/100 |
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 77.5/100, a mean average of 78.5/100, and a trimmed mean (excluding outliers) of 78.5/100. The standard deviation for this track is 11.0.
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