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...
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...