Karn Evil 9: 3rd Impression (track)
by Emerson, Lake & Palmer

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Brain Salad Surgery (8 tracks)

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Karn Evil 9: 3rd Impression appears on the following album(s) by Emerson, Lake & Palmer:

• Brain Salad Surgery (track #8) (this album) (1973)

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Karn Evil 9: 3rd Impression ratings

   Average Rating = (n ÷ (n + m)) × av + (m ÷ (n + m)) × AV
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 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 2% of all tracks on BestEverAlbums.com. This track has a Bayesian average rating of 83.8/100, a mean average of 83.5/100, and a trimmed mean (excluding outliers) of 84.9/100. The standard deviation for this track is 13.7.

• Related links:
• Top tracks by Emerson, Lake & Palmer
• Top tracks of the 1970s
• Top tracks of 1973

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