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Author gaoxinge
Recipients WarrenWeckesser, gaoxinge, mark.dickinson, rhettinger, steven.daprano, taleinat, tim.peters
Date 2019-10-30.03:10:26
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Message-id <1572405026.43.0.699499740487.issue38382@roundup.psfhosted.org>
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Content 
The document https://github.com/WarrenWeckesser/cpython/blob/master/Lib/statistics.py#L389 in `harmonic_mean` is out-dated. I think we can simply follow the wiki:

- [arithemic mean](https://en.wikipedia.org/wiki/Arithmetic_mean)
- [geometric mean](https://en.wikipedia.org/wiki/Geometric_mean)
- [harmonic mean](https://en.wikipedia.org/wiki/Harmonic_mean)
History
Date User Action Args
2019-10-30 03:10:26gaoxingesetrecipients: + gaoxinge, tim.peters, rhettinger, mark.dickinson, taleinat, steven.daprano, WarrenWeckesser
2019-10-30 03:10:26gaoxingesetmessageid: <1572405026.43.0.699499740487.issue38382@roundup.psfhosted.org>
2019-10-30 03:10:26gaoxingelinkissue38382 messages
2019-10-30 03:10:26gaoxingecreate