Interquartile range boxes appear by default on boxplots. To edit interquartile range boxes, select and double-click the boxes that you want to edit. For more information on selecting boxes, go to Select groups and single items on a graph.
To change the default settings and attributes for graph elements, choose .
If you are using a boxplot with groups, you can also assign attributes to the interquartile range boxes based on the groups in your data. For more information, go to Display groups on graphs.
To add range boxes to an existing graph, click the graph and choose . To edit range boxes, select and double-click the boxes that you want to edit. For more information on selecting range boxes, go to Select groups and single items on a graph.
To change the default settings and attributes for graph elements, choose .
To add median confidence interval boxes to an existing graph, click the graph and choose . To edit boxes, select and double-click the boxes 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 .
(Not available for marginal plots) On the Options tab, in Confidence level, enter the level of confidence for the confidence interval. Usually, a confidence level of 95% works well. A 95% confidence level indicates that, if you take 100 random samples from the population, the confidence intervals for approximately 95 of the samples will contain the median.