The Unbeliever (track)
by Iron Maiden
Year: 1995
From the album The X Factor (track #11)
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The Unbeliever appears on the following album(s) by Iron Maiden:
- The X Factor (track #11) (this album) (1995)
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The Unbeliever 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 20 ratings for this track.
| Rating | Date updated | Member | Track ratings | Avg. track rating |
|---|---|---|---|---|
| ! | 06/20/2026 19:23 | Exist-en-ciel | 169,579 | 71/100 |
| ! | 11/06/2025 17:32 | Siromynian | 18,266 | 71/100 |
| ! | 04/29/2025 03:54 | juanr1096 | 72,500 | 79/100 |
| ! | 01/14/2025 22:37 | adbrack1988 | 8,256 | 85/100 |
| ! | 10/28/2024 10:11 |  Tamthebam | 45,787 | 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 71.0/100, a mean average of 68.5/100, and a trimmed mean (excluding outliers) of 68.5/100. The standard deviation for this track is 15.6.
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