Happy Boys & Girls (track)
by Aqua
Happy Boys & Girls appears on the following album(s) by Aqua:
- Aquarium (track #1) (this album) (1997)
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Condition: Very Good
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Happy Boys & Girls 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 |
|---|---|---|---|---|
| ! | 29 hours ago | culwin | 19,341 | 75/100 |
| ! | 11/16/2025 23:21 | Exist-en-ciel | 16,435 | 69/100 |
| ! | 06/08/2024 17:31 |  DommeDamian | 71,925 | 51/100 |
| ! | 05/13/2020 06:41 | Carollie | 3,940 | 74/100 |
| ! | 06/17/2018 00:05 |  9999 | 4,719 | 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 74.4/100, a mean average of 72.7/100, and a trimmed mean (excluding outliers) of 72.7/100. The standard deviation for this track is 12.9.
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