9 (track) by Café Tacvba
9 appears on the following album(s) by Café Tacvba:
- Revés/Yo Soy (track #3) (this album) (1999)
Price
eBay
Condition: New
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Listen to 9 on YouTube
9 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 |
|---|---|---|---|---|
55/100  | 01/31/2023 12:13 |  ForegroundNoise | | 64/100 |
80/100 | 12/21/2022 16:25 | BLO | | 86/100 |
80/100 | 05/20/2022 22:49 | robingarrido | | 85/100 |
100/100 | 11/14/2021 15:29 | phmusic | | 100/100 |
90/100 | 03/16/2021 13:15 |  VictorVale | | 87/100 |
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 76.7/100, a mean average of 77.0/100, and a trimmed mean (excluding outliers) of 77.0/100. The standard deviation for this track is 15.7.
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