Which of the following is not true about histograms?

A) The bars must touch each other.

B) A histogram may be symmetric or skewed depending on the selection of bin width.

C) Each bin must have the same width.

D) Histograms may represent categorical data.

E) Histograms may have gaps or clusters

2 answers

Does this site say the same thing as your text?

https://statistics.laerd.com/statistical-guides/understanding-histograms.php
Pretty much, thanks