Self Inflicted (track) by Katy Perry

Self Inflicted by Katy Perry
Year: 2008
From the album One Of The Boys (track #10)
Average Rating: 
66/100 (from 24 votes)
  Ratings distributionRatings distribution   Average rating historyAverage rating history

Self Inflicted appears on the following album(s) by Katy Perry:


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Self Inflicted ratings

Average Rating: 
66/100 (from 24 votes)
  Ratings distributionRatings distribution 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.

Showing latest 5 ratings for this track. | Show all 24 ratings for this track.

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RatingDate updatedMemberTrack ratingsAvg. track rating
 
80/100
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08/12/2023 23:26 culwin  Ratings distributionRatings distribution 11,28976/100
 
65/100
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04/22/2023 15:03 pinkfreud1981  Ratings distributionRatings distribution 3,58371/100
 
80/100
 Report rating
03/05/2023 23:30 alexandermause  Ratings distributionRatings distribution 10,76183/100
 
60/100
 Report rating
07/21/2022 20:57 paladisiac  Ratings distributionRatings distribution 79,22263/100
 
55/100
 Report rating
11/25/2020 18:15 kokkinos  Ratings distributionRatings distribution 16,25268/100

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 65.6/100, a mean average of 58.5/100, and a trimmed mean (excluding outliers) of 60.9/100. The standard deviation for this track is 17.0.

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