One of the most used statistical functions in Excel is Average. Is this article up to date? Can you please put wikiHow on the whitelist for your ad blocker? Learn how. Article Info This article was co-authored by our trained team of editors and researchers who validated it for accuracy and comprehensiveness. How to Make a Curved Chart for Standard Deviation in ExcelĪlready answered Not a question Bad question Other. Include your email address to get a message when this question is answered. This will display a Z score next to every data point in column A. How to Calculate a Z Score in Excel: 5 Steps (with Pictures).How to Make a Curved Chart for Standard Deviation in Excel.