This tutorial shows you how to make a histogram using StatPro. As our example, we will use the ``age

variable from the British Marketing data set (bmrbxl.xls).

1. Open up the data file. Click on the Add-Ins tab at the top. Then, click StatPro > Charts >

Histograms. This is shown on the following screen.

2. If you select OK on the next dialog box, it will then ask you which variables you want to make

into a histogram. We want to select the ``age variable.

3. Having selected the age variable on the previous screen, we need to choose the number of

``bins and the size of each bin. This is not done automatically for you in StatPro and you may

need to play around with it in order to make each histogram look good. For this data set, I

have selected the minimum value to be 15 (years of age), each bin size to be 5 (years of age)

and a total of 16 bins.

StatPro should produce a histogram as in the next screen. It isnt very attractive.

4. To make the histogram better looking, we should play around with the features in Excel. For

example, we might want to add borders in between each bin. To do this, left click in the blue

shaded region of the graph. Then, Right Click and select Format Data Series.

5. Then, choose Border Color. Select the Solid Line tab and a Color from the Theme Colors

menu.

6. Here, I have chosen the color Black. And, I have changed the label on the horizontal axis to

read ``Age in years.

Note that it is also possible to create Histograms in Excel without using StatPro. It is just more

tedious to do. For example, to make a histogram you would select the Insert tab. On the

Insert tab select Column and then Clustered Column.

You will notice that the resulting chart is not formatted correctly. You will need to go through

and reformat the data on the horizontal axis by creating bins. I am not going to go through the

details of this procedure. This is the advantage of using StatPro, which does much of the work

for us.