In many situations it is required to join classes because of the low .frequency in the intervals. In this process, it is required to join the intervals and ad the .frequencies of them.
New histogram with union of classes.
Felipe de Mendiburu
1 2 3 4 5 6 7 8 9 10
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.