Now I Know (track)
by Rihanna
Year: 2005
From the album Music Of The Sun (track #12)
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Now I Know appears on the following album(s) by Rihanna:
- 3 CD Collector's Set (track #12) (compilation) (2009)
- Music Of The Sun (track #12) (this album) (2005)
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Now I Know 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 11 ratings for this track.
| Rating | Date updated | Member | Track ratings | Avg. track rating |
|---|---|---|---|---|
| ! | 06/08/2026 20:05 | Mafedere | 8,959 | 74/100 |
| ! | 08/21/2024 11:23 | phmusic | 68,979 | 100/100 |
| ! | 08/07/2024 04:44 | LammyTS1 | 12,308 | 56/100 |
| ! | 08/25/2023 09:07 |  DommeDamian | 74,839 | 51/100 |
| ! | 04/22/2023 15:13 | pinkfreud1981 | 3,579 | 71/100 |
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 63.1/100, a mean average of 51.4/100, and a trimmed mean (excluding outliers) of 51.4/100. The standard deviation for this track is 31.2.
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