Question

1. what does a bar graph compare?

a. trends over time
b. data frequency
c. quantities across different categories
d. parts of a whole

Explanation:

• A bar graph uses bars of different lengths to represent and compare quantities for different categories.
• Option a (Trends over time) is more for line graphs.
• Option b (Data frequency) is for histograms (a type of bar - like graph but with continuous data intervals).
• Option d (Parts of a whole) is for pie charts.

Answer:

C. Quantities across different categories