I have been able to calculate the Standard Deviation Values for each data set respectively, by following the suggestion given by crystal here -

https://www.experts-exchange.com/questions/28978630/Calculating-Z-SCORE-inside-Excel.html

But I am still stuck at the last part, now how do I get the Standard Deviation Values from "+4 to zero to -4", in the orange box ?

Thanks for any ideas.

https://www.experts-exchan

But I am still stuck at the last part, now how do I get the Standard Deviation Values from "+4 to zero to -4", in the orange box ?

Thanks for any ideas.