From straightforward bar charts to advanced multi-series dumbbell charts, you’ll learn techniques to improve clarity and impact in your data presentations. Knowing the difference between ...

X-bar and R charts are useful control charts for use with rational subgroups. X-bar measure between-sample variation. R charts measure within-sample variation. All processes vary. The data you ...

You can make a bar graph in Excel by first selecting the range of data ... hit Control and drag over the other column. 3. Click on "Insert" in the top toolbar, then click on the Bar Chart icon ...