Silver Bird (track)
by UFO
Silver Bird appears on the following album(s) by UFO:
- UFO 2 Flying (track #1) (this album) (1971)
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Silver Bird ratings
Average Rating = (n ÷ (n + m)) × av + (m ÷ (n + m)) × AVwhere:
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 |
|---|---|---|---|---|
| ! | 08/31/2025 15:13 |  ExTeaSea | 12,264 | 85/100 |
| ! | 08/20/2024 21:54 | phmusic | 62,859 | 100/100 |
| ! | 07/18/2023 13:47 | Fevernova | 34,263 | 82/100 |
| ! | 04/25/2023 10:32 | LosWochos | 308,829 | 80/100 |
| ! | 04/04/2023 07:05 | TradeShark | 4,948 | 30/100 |
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 77.0/100, a mean average of 77.7/100, and a trimmed mean (excluding outliers) of 77.7/100. The standard deviation for this track is 10.7.
Silver Bird comments
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