Mother Of Mercy (track)
by Iron Maiden
Year: 2010
From the album The Final Frontier (track #3)
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Mother Of Mercy appears on the following album(s) by Iron Maiden:
- The Final Frontier (track #3) (this album) (2010)
Upcoming concerts
Listen to Mother Of Mercy on YouTube
Mother Of Mercy 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.
| Rating | Date updated | Member | Track ratings | Avg. track rating |
|---|---|---|---|---|
| ! | 01/08/2026 12:13 |  doombringer | 13,244 | 74/100 |
| ! | 10/29/2025 20:51 | Siromynian | 15,968 | 71/100 |
| ! | 08/10/2025 11:23 |  pedro1976 | 5,517 | 75/100 |
| ! | 05/09/2025 00:32 | adbrack1988 | 8,020 | 85/100 |
| ! | 04/25/2024 10:55 | phmusic | 62,859 | 100/100 |
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 75.6/100, a mean average of 75.5/100, and a trimmed mean (excluding outliers) of 75.5/100. The standard deviation for this track is 9.8.
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