Question

types of data displays
one variable
categorical

• frequency table
• bar graph
• pie chart

quantitative

• histogram
• dotplot
• stem plot
• boxplot
• normal probability plot

two variable

• two - way table
• side - by - side bar graph
• segmented bar graph
• mosaic plot
• scatter plot
• line plot
• bubble chart

bar graph
bar graphs depict the frequency or relative frequency of each category by the height of each bar. the order of the categories does not matter, and the bars do not need to touch.
compare and contrast the bar graphs above.

Explanation:

The first bar - graph shows frequency, the second relative frequency. Both represent music - radio station categories. Order of categories is same, but y - axis values and scales differ.

Answer:

The first bar - graph shows frequency counts while the second shows relative frequencies. The y - axis scales and values are different, but the x - axis categories are the same.