Pumping Blood (track) by Lou Reed & Metallica
Pumping Blood appears on the following album(s) by Lou Reed & Metallica:
- Lulu (track #3) (this album) (2011)
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Pumping Blood 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 |
|---|---|---|---|---|
90/100  | 04/21/2023 17:47 |  VictorVale | | 87/100 |
60/100 | 03/15/2023 00:42 | mrmcrook | | 78/100 |
65/100 | 12/06/2021 05:29 | Kuusineo | | 85/100 |
75/100 | 08/16/2021 12:27 | fracek | | 78/100 |
30/100 | 04/12/2018 16:14 |  nitomano | | 73/100 |
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 63.1/100, a mean average of 56.1/100, and a trimmed mean (excluding outliers) of 56.1/100. The standard deviation for this track is 28.3.
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