Rollo (track)
by Helmet
Rollo appears on the following album(s) by Helmet:
- Betty (track #6) (this album) (1994)
- Unsung: The Best Of Helmet (1991-1997) (track #14) (compilation) (2004)
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Rollo 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 |
|---|---|---|---|---|
| ! | 07/09/2026 10:13 |  ssteve | 25,922 | 78/100 |
| ! | 03/31/2025 16:44 | EntDoesStuff | 1,936 | 87/100 |
| ! | 08/30/2022 20:33 | LosWochos | 315,202 | 80/100 |
| ! | 09/27/2020 14:15 | spinout | 41,082 | 83/100 |
| ! | 08/16/2020 10:16 | bnst1101 | 4,834 | 79/100 |
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 75.0/100, a mean average of 74.1/100, and a trimmed mean (excluding outliers) of 74.1/100. The standard deviation for this track is 9.5.
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