Roly Poly (Aka Rolli Polli) (track)
by Chuck Berry
Year: 1957
From the album After School Session (track #5)
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Roly Poly (Aka Rolli Polli) appears on the following album(s) by Chuck Berry:
- After School Session (track #5) (this album) (1957)
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Roly Poly (Aka Rolli Polli) 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 33 ratings for this track.
| Rating | Date updated | Member | Track ratings | Avg. track rating |
|---|---|---|---|---|
| ! | 09/30/2026 18:38 | Exist-en-ciel | 179,585 | 71/100 |
| ! | 02/04/2025 06:07 | daCritic | 39,691 | 75/100 |
| ! | 10/12/2024 12:58 | Imaybeparanoid | 52,699 | 69/100 |
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 76.8/100, a mean average of 77.1/100, and a trimmed mean (excluding outliers) of 77.1/100. The standard deviation for this track is 11.7.
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