Human Alchemy (track)
by XTC
Human Alchemy appears on the following album(s) by XTC:
- Mummer (track #6) (this album) (1983)
Upcoming concerts
Listen to Human Alchemy on YouTube
Human Alchemy 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 |
|---|---|---|---|---|
| ! | 12/21/2025 03:12 |  AAL2014 | 35,516 | 76/100 |
| ! | 08/22/2024 12:58 | bonnequestion | 16,297 | 75/100 |
| ! | 06/13/2024 18:57 | mjgentile | 571 | 95/100 |
| ! | 04/16/2024 07:41 |  Jboy56 | 39,199 | 78/100 |
| ! | 10/20/2022 18:04 | LosWochos | 310,916 | 80/100 |
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 75.6/100, a mean average of 75.3/100, and a trimmed mean (excluding outliers) of 75.3/100. The standard deviation for this track is 11.6.
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