
To evaluate the difference and similarity between histogram and bar graph

Answer to Problem 18HP
Similarity is that both represent data in form or vertical bars and difference is that bar graph shows discontinuity and histogram shows continuity.
Explanation of Solution
Given information: Bar graph and histogram.
Calculation:
The most basic difference between bar graph and histogram is histogram is drawn such that there is no gap between the bars and in a bar graph there is proper spacing between the bars that indicate discontinuity. This difference can be notice at the first look.
Similarity between the two is, both bar graph and histogram have an x-axis and y-axis and use vertical bars to display data. The height of the bars is decided by its relative frequency of the amount of data in the element.
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