NumXL provides an intuitive interface to help Excel users streamline the decisions involved in constructing a good histogram plot. In this tutorial, we’ll demonstrate the steps to construct a histogram using NumXL functions in Excel.

## Process

- Select an empty cell to store the histogram table.
- Locate the Descriptive Statistics (DESC STAT) icon in the toolbar (or menu in Excel 2003) and click on the down-arrow. When the drop-down menu appears, select “Histogram Plot”.
- The Histogram dialog box appears.
- Select the cell range for the input data

**Note:**The output range (i.e. table) is set by default to the selected empty cell in your worksheet - Switch to the Options tab and select the rule/heuristic to determine the optimal number of histogram bins. For our example, we selected “Scott’s Choice”.
- Immediately below it, the estimated number of bins is shown.
- Under options, (i) checking “Cumulative” instructs the histogram Wizard to include the cumulative distribution in the output table, while (ii) checking “Overlay Normal” instructs the Wizard to plot a reference Gaussian distribution in the graph.
- When you finish, click “OK”.

## Output

The wizard generates the histogram frequency table and plots a column-type graph as shown below

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