Believe (track)
by Justin Bieber
Believe appears on the following album(s) by Justin Bieber:
- Believe (track #13) (this album) (2012)
eBay
Condition: Brand New
Listen to Believe on YouTube
Believe 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 22 ratings for this track.
| Rating | Date updated | Member | Track ratings | Avg. track rating |
|---|---|---|---|---|
| 10/10/2023 13:09 |  DommeDamian | 73,397 | 51/100 | |
| 09/25/2023 09:11 | LammyTS1 | 12,065 | 56/100 | |
| 04/22/2023 15:10 | pinkfreud1981 | 3,579 | 71/100 | |
| 12/14/2021 03:56 | SD100852 | 11,589 | 77/100 | |
| 01/02/2020 22:14 | iamcaiosilva | 4,136 | 76/100 |
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 35.5/100, a mean average of 17.0/100, and a trimmed mean (excluding outliers) of 17.0/100. The standard deviation for this track is 17.7.
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