Birth (track)
by Focus
Birth appears on the following album(s) by Focus:
- Hamburger Concerto (track #4) (this album) (1974)
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Condition: Used
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Birth 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 |
|---|---|---|---|---|
| 12/30/2025 02:17 | Exist-en-ciel | 78,964 | 70/100 | |
| 07/25/2024 20:18 | Johnnyo | 42,820 | 80/100 | |
| 04/08/2024 17:36 | LosWochos | 310,650 | 80/100 | |
| 04/07/2022 20:43 | Pluto11 | 27,411 | 76/100 | |
| 12/01/2021 22:27 |  Jboy56 | 39,199 | 78/100 |
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 76.2/100, a mean average of 76.4/100, and a trimmed mean (excluding outliers) of 76.4/100. The standard deviation for this track is 7.7.
Birth comments
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