How to Make a Curved Chart for Standard Deviation in Excel. Using Microsoft Excel you can create charts based on the data and formulas entered in a worksheet. Enter a sample range of numbers in ...

You can calculate the T-Value in Excel with the mean, standard deviation and degrees of freedom. Since the T-Value is a comparison between sample mean and population mean, both values need to be ...

2] To create a bell curve in excel, we need three values, average, standard deviation, and normal distribution. Let’s calculate the average of the data first.