In Minitab, each bar on a graph represents a category (for categorical data) or an interval (for continuous data). For example, on a histogram, by default, bars represent the frequency of observations falling within each interval (bin). On a bar chart, by default, bars represent counts or other statistics for categorical variables.
To add bars when you create a graph, click Data View. To add bars to an existing graph, click the graph and choose . To edit bars, select and double-click the bars that you want to edit. For more information, go to Select groups and single items on a graph.
To change the default settings for graph elements, choose .