In a ______, the bars that represent the categories of a variable are spaced so that one bar is not directly next to another; whereas in a ______, the bars actually touch one another.
The correct answer would be "bar graph; histogram".
Explanation:
The bar graph has become a photographic arrangement of information which always practices that relate bars to consider various give information. Alternatively, this is indeed a diagrammatic comparative analysis of univariate data.
This same histogram demonstrates the variation including its frequency of repeated measures, introduces numerical information.