Happy Jack (track)
by The Who
Happy Jack appears on the following album(s) by The Who:
- Thirty Years Of Maximum R&B (track #18) (compilation) (1994)
- Meaty Beaty Big & Bouncy (track #3) (compilation) (1971)
- Then And Now (track #6) (compilation) (2004)
- The Kids Are Alright (track #3) (this album) (1979)
- Who's Better, Who's Best (track #6) (compilation) (1988)
- The Ultimate Collection (track #9) (compilation) (2002)
- My Generation - The Very Best Of The Who (track #7) (compilation) (1996)
- The Story Of The Who (track #9) (compilation) (1976)
- The Who Live At Hull 1970 (track #7) (2012)
- Greatest Hits (track #5) (compilation) (2009)
Condition: Used
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Happy Jack 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 |
---|---|---|---|---|
75/100 ![]() | 07/06/2025 16:50 | ![]() | ![]() | 81/100 |
80/100 ![]() | 11/22/2024 13:28 | mostlymor | ![]() | 80/100 |
75/100 ![]() | 03/28/2023 13:25 | ![]() | ![]() | 75/100 |
80/100 ![]() | 01/27/2022 18:52 | LosWochos | ![]() | 80/100 |
95/100 ![]() | 08/06/2020 04:52 | rcgrven | ![]() | 86/100 |
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 76.1/100, a mean average of 75.9/100, and a trimmed mean (excluding outliers) of 75.9/100. The standard deviation for this track is 13.5.
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