In the new panel that appears on the right side of the screen, click the icon called Error Bar Options, then click the Custom button under Error Amount, then click the Specify Value button: To add the standard deviation values to each bar, click anywhere on the chart, then click the green plus (+) sign in the top right corner, then click Error Bars, then click More Options: The following bar chart will appear that shows the mean number of points scored by each team: Next, highlight the cell range H2:H4, then click the Insert tab, then click the icon called Clustered Column within the Charts group: Step 3: Plot the Mean and Standard Deviation for Each Group We then copy and pasted this formula down to each cell in column H and column I to calculate the mean and standard deviation for each team. Here are the formulas that we used to calculate the mean and standard deviation in each row: Next, we will calculate the mean and standard deviation for each team: Step 2: Calculate the Mean and Standard Deviation for Each Group Step 1: Enter the Dataįirst, let’s enter the following data that shows the points scored by various basketball players on three different teams: The following step-by-step example shows exactly how to do so. Often you may want to plot the mean and standard deviation for various groups of data in Excel, similar to the chart below:
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