Bar graphs compare values across categories using which of the following to display their information?

• A. Scatter points
• B. Rectangular bars
• C. Pie slices
• D. Line segments

Answer: (B)

Verified step by step guidance

1. Understand that a bar graph is a type of chart used to compare different categories or groups by representing their values visually.
2. Recall that bar graphs use rectangular bars to represent the magnitude or frequency of each category, where the length or height of each bar is proportional to the value it represents.
3. Recognize that scatter points are used in scatter plots to show relationships between two variables, not for comparing categories in bar graphs.
4. Note that pie slices are used in pie charts to show proportions of a whole, which is different from the categorical comparison in bar graphs.
5. Understand that line segments are used in line graphs to show trends over time or ordered data, not for categorical comparisons like bar graphs.