The interval between the gridlines in an Excel chart is typically blank, but you can highlight the intervals using an alternating pattern by changing the formatting for the gridlines themselves.

Forbes contributors publish independent expert analyses and insights. I help people communicate data clearly with graphs. This article is more than 10 years old. This is the first post in a new blog ...

Here is the data for the ages of customers shopping in the Bitesize CD store. Ages of customers in 1-hour period 25, 29, 45, 19, 36, 17, 60, 51, 39, 24, 15, 13, 31 ...

A tweet directed me to an interesting article on world population. The author, Jonathan Good, asks the percentage of people who have ever lived that are alive today and then estimates the answer. The ...