Complete the following steps to specify the columns of data that you want to analyze.
In Variables, enter the columns of numeric data to analyze.
(Optional) If you have groups in your data, enter By variables to explore the differences between the groups. Minitab displays the graphical summaries separately for each group.
In this worksheet, Cost is the variable and contains the repair costs for products A and B. Product is the group variable and indicates whether the cost corresponds to product A or to product B.