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Hi Im kinda new to statistics and would very much appreciate some help. I have finally understood the standard deviation formula and the reason behind every step/calculation. But..lets talk about stock market. a) why does the stock market write s.dev in percentage? I had the impression that...

Hi! Im very very very new to this. I have also posted this in an excel forum but I thought that maybe someone here can help me. I want to build a prediction model if we should buy stocks or not. And by using an external parameter (demand from customer on the whole market in our area which we get...