[B]How Can I get information about history of standard deviation & standard erorr and variance (e.g:who discovered the statistic? what year? where? Why?)
Also,who would and has used this statistic in science?
Are they a valuable statistic in science?
Thanks

Type in a search bar, in Google for example, and you get this:

History of statistics - Wikipedia, the free encyclopedia

It seems that all you want to get is there. Look further down the article and there is a section talking about where statistics are used today.

Do you have more questions? :)

(Look further down... ) >>do u mean these articles
IT Support Services Rapid response, Superb Technology No Quible, Money Back Quarantee www.RanvierIT.com
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Quote:

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honey.mk : (Look further down... ) >>do u mean these articles IT Support Services Rapid response, Superb Technology No Quible, Money Back Quarantee IT support company | IT support contracts | IT service : Ranvier IT Top 10 Skin Ligh

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Where did you get that from :confused:

I meant further down in the article that I gave you the link.

Thanks a lot
What about these questions:
(who would and has used this statistic in science?
Are they a valuable statistic in science?)

Could you please type your posts in the answer box instead of using the comment button? Thanks!

In that same article, has you seen this part?

History of statistics - Wikipedia, the free encyclopedia