Smart people use it. How to use statistic in your life. Life improvment

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I think more people should understand statistic and use it in life. Statistic is everywhere. Medecine use it, sociology, government, biology etc
Statistic comes from math. it's a tool to understanding. Smart people use it.

Mean and standard diviation should be known by everyone.

1. Get data.
2. Write it into R as data array
3. Find mean and Standard Diviation.

sd(yourarrayname) ENTER
mean(yourarrayname) ENTER

1. Make graph

set y
plot

1. Find Z score if you need

Thanks Axletree for guitar music.
http://freemusicarchive.org/music/Axl...
Licence: https://creativecommons.org/licenses/...
I cut and set some favorite peaces

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► Watch on DTube
► Watch Source (IPFS)