One of the Key Differences Between a Bar Chart and Histogram

Multiple Choice

One of the key differences between a bar chart and histogram is:

A) the histogram contains gaps between the bars and the bar chart does not.
B) a bar chart is used to display a categorical variable and a histogram is used to display the distribution of a quantitative variable.
C) the histogram shows relative frequency while the bar chart shows frequency.
D) the bar chart must be vertical while the histogram must be horizontal.