Understanding Bar Graphs

What does the y-axis represent in a bar graph?

• The color of the bars

• The type of data being measured

• The number of items or frequency

• The names of the categories

Who collected the fewest shells according to the bar graph?

• All collected the same number

• Nigel

• Gill

• Oliver

How many shells did Gill and Oliver find together?

• 13

• 12

• 10

• 15