If you were to calculate the standard deviation on the worksheet, without the STDEV.P function, hereâs how you would do it. 1  Find the average of the numbers in the pivot table data. 2  From each number, subtract the average. 3  Square the calculated difference for each number. 4  Find the average of the squared difference. 5  Find the square root of the average.
A pivot table is a tool that you can use to summarize data when you have a lot of it in a worksheet. A pivot table can count totals, give an average of the data, or sort data â in addition to other things. In this article, we are going to go in-depth as we learn to create and work with pivot tables.
Excel Pivot Tables. If your work involves the analysis of large amounts of data, you will almost certainly benefit from using Excel pivot tables, to help you to interpret and make sense of the data.Imagine you have the simple spreadsheet below, containing sales data for 2011.xcel Pivot Tables. If your work involves the analysis of large amounts of data, you will almost certainly benefit from using Excel pivot tables, to help you to interpret and make sense of the data.