Introduction (track) by Chicago Transit Authority
Year: 1969
From the album Chicago Transit Authority (track #1)
Introduction appears on the following album(s) by Chicago Transit Authority:
- Chicago Transit Authority (track #1) (this album) (1969)
Price
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Condition: Brand New
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Condition: Very Good
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Introduction ratings
where:
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 |
|---|---|---|---|---|
90/100  | 5 days ago | CokeBabies | | 85/100 |
45/100 | 08/06/2024 14:49 |  DommeDamian | | 52/100 |
55/100 | 01/13/2024 09:07 |  doombringer | | 77/100 |
75/100 | 12/29/2023 13:51 |  Leonard | | 75/100 |
80/100 | 12/08/2023 13:54 | Fevernova | | 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 is rated in the top 5% of all tracks on BestEverAlbums.com. This track has a Bayesian average rating of 80.9/100, a mean average of 80.4/100, and a trimmed mean (excluding outliers) of 81.7/100. The standard deviation for this track is 15.4.
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