Power Failure (track) by Procol Harum
Year: 1971
From the album Broken Barricades (track #5)
Power Failure appears on the following album(s) by Procol Harum:
- Broken Barricades (track #5) (this album) (1971)
Price
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Condition: Used
eBay
Condition: Used
eBay
Condition: Used
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Power Failure 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 |
|---|---|---|---|---|
80/100  | 09/24/2023 04:35 | mostlymor | | 80/100 |
100/100 | 04/17/2023 23:04 | Taosjohn | | 75/100 |
85/100 | 04/16/2023 17:39 |  Jboy56 | | 78/100 |
60/100 | 02/10/2023 20:37 | Rovers | | 75/100 |
75/100 | 01/31/2023 00:55 | bonnequestion | | 75/100 |
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 77.1/100, a mean average of 77.7/100, and a trimmed mean (excluding outliers) of 77.7/100. The standard deviation for this track is 9.9.
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