Understanding Bar Graphs

What is the primary purpose of using a bar graph?

• To calculate the average of data

• To compare data using pie slices

• To represent data visually using bars

• To list all data points in a table

How are the intervals on the y-axis of a bar graph typically represented?

• By counting in consistent steps, like twos

• By using random numbers

• By listing every single number

• By using letters instead of numbers

If a person swam 9 miles, where would their bar stop on a graph with intervals of two?

• At 10

• Between 8 and 10

• At 9

• At 8