Mary, Mary (track)
by The Paul Butterfield Blues Band
Mary, Mary appears on the following album(s) by The Paul Butterfield Blues Band:
- East-West (track #6) (this album) (1966)
- Golden Butter: The Best Of The Paul Butterfield Blues Band (track #10) (compilation) (1972)
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Condition: Used
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Condition: Very Good
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Condition: Very Good
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Mary, Mary 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 16 ratings for this track.
| Rating | Date updated | Member | Track ratings | Avg. track rating |
|---|---|---|---|---|
| 03/02/2025 00:12 | dukeboxkool | 7,577 | 75/100 | |
| 12/21/2024 06:48 | HotZappsBoogaloo | 8,932 | 82/100 | |
| 11/21/2024 16:49 | Pluto11 | 27,651 | 76/100 | |
| 04/13/2024 12:26 | TradeShark | 4,948 | 30/100 | |
| 03/17/2024 20:28 | Johnnyo | 43,112 | 80/100 |
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 77.0/100, a mean average of 73.1/100, and a trimmed mean (excluding outliers) of 77.7/100. The standard deviation for this track is 20.5.
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