Up (track)
by Justin Bieber
Up appears on the following album(s) by Justin Bieber:
- My World 2.0 (track #9) (this album) (2010)
eBay
Condition: Brand New
eBay
Condition: Brand New
Listen to Up on YouTube
Up 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 5 ratings for this track. | Show all 47 ratings for this track.
| Rating | Date updated | Member | Track ratings | Avg. track rating |
|---|---|---|---|---|
| 12/01/2025 22:36 | Exist-en-ciel | 93,099 | 71/100 | |
| 09/20/2023 08:49 | LammyTS1 | 12,022 | 56/100 | |
| 04/28/2021 15:03 | jackq | 4,073 | 87/100 | |
| 10/12/2020 12:22 |  DommeDamian | 73,360 | 51/100 | |
| 12/19/2019 03:44 | Fritz | 4,302 | 85/100 |
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 21.5/100, a mean average of 12.6/100, and a trimmed mean (excluding outliers) of 9.3/100. The standard deviation for this track is 18.7.
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