Frequency charts show the tally next to each outcome ... it is often easier to group the data. For example, in a survey about the number of magazines bought by students over the space of a ...

The second part of this example modifies the midpoint axis and the table of statistics, and uses RUN-group processing to produce the following chart. This part of the program specifies the midpoint ...

A weekly dive into the data behind the news. Each Saturday, Opinion columnist Philip Bump makes and breaks down charts explaining the latest in economics, pop culture, politics and more.