The Life Machine (track) by Tubeway Army
The Life Machine appears on the following album(s) by Tubeway Army:
- Tubeway Army (track #3) (this album) (1978)
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The Life Machine ratings
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 10 ratings for this track.
|Rating||Date updated||Member||Track ratings||Avg. track rating|
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 75.4/100, a mean average of 74.5/100, and a trimmed mean (excluding outliers) of 74.5/100. The standard deviation for this track is 9.6.
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