U Don't Know (track)
by Jay-Z
U Don't Know appears on the following album(s) by Jay-Z:
- The Blueprint (track #6) (this album) (2001)
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U Don't 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 111 ratings for this track.
| Rating | Date updated | Member | Track ratings | Avg. track rating |
|---|---|---|---|---|
| ! | 06/26/2026 09:21 | Siromynian | 18,195 | 71/100 |
| ! | 04/21/2026 12:28 | Exist-en-ciel | 169,541 | 71/100 |
| ! | 04/01/2026 02:00 | stareaterogni0n | 6,164 | 70/100 |
| ! | 03/25/2026 22:54 | wizardalien | 9,945 | 61/100 |
| ! | 10/13/2025 19:50 | SD100852 | 12,117 | 77/100 |
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 is rated in the top 5% of all tracks on BestEverAlbums.com. This track has a Bayesian average rating of 80.5/100, a mean average of 78.3/100, and a trimmed mean (excluding outliers) of 81.0/100. The standard deviation for this track is 18.8.
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