Poor Shirley (track)
by Christopher Cross
Year: 1979
From the album Christopher Cross (track #5)
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Poor Shirley appears on the following album(s) by Christopher Cross:
- Christopher Cross (track #5) (this album) (1979)
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Poor Shirley 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 17 ratings for this track.
| Rating | Date updated | Member | Track ratings | Avg. track rating |
|---|---|---|---|---|
| ! | 08/14/2026 20:46 |  nitomano | 27,401 | 73/100 |
| ! | 07/08/2026 01:50 |  AAL2014 | 41,080 | 76/100 |
| ! | 01/20/2026 18:37 | Exist-en-ciel | 169,869 | 71/100 |
| ! | 05/11/2025 11:33 | machiaj | 9,085 | 74/100 |
| ! | 12/02/2024 17:13 | Fevernova | 34,540 | 82/100 |
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 75.9/100, a mean average of 75.9/100, and a trimmed mean (excluding outliers) of 75.9/100. The standard deviation for this track is 11.5.
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