One Time (track)
by Justin Bieber
One Time appears on the following album(s) by Justin Bieber:
- My World (track #1) (this album) (2009)
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One Time 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.
Showing latest 3 ratings for this track. | Show all 21 ratings for this track.
| Rating | Date updated | Member | Track ratings | Avg. track rating |
|---|---|---|---|---|
| ! | 09/20/2023 06:26 | LammyTS1 | 12,402 | 56/100 |
| ! | 10/14/2020 02:17 | iamcaiosilva | 4,136 | 76/100 |
| ! | 10/12/2020 12:24 |  DommeDamian | 77,436 | 51/100 |
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 32.6/100, a mean average of 14.3/100, and a trimmed mean (excluding outliers) of 11.0/100. The standard deviation for this track is 19.8.
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