Reading and Graphing Data

Miss Lee's science class collected data on the color of 3rd grade student's eyes. The students created a bar graph with this information. How many more students had blue eyes than green eyes?

• 80

• 50

• 30

• 20

The graph shows the number of cars sold from January to April. How many more cars were sold in March than in January?

• 2,000

• 5,000

• 7,000

• 8,000

The graph shows the number of colored beads used to make a necklace. How many purple and green beads were used in all?

• 23

• 20

• 18

• 15

How many students like vanilla and chocolate?

• 8

• 32

• 30

• 28

How many people have two or less books in their desk?

• 4

• 5

• 6

• 7

A class of 20 students took a math test. The teacher plotted the scores on a line plot. If the most common score was 75 and it occurred 5 times, which of the following statements is true about the line plot?

• There will be 5 X's above 75.

• There will be 20 X's in total.

• The line plot will show scores from 0 to 100.

• All of the above.

between what ages were the least amount of people at the bowling alley?

• 6-15

• 16-25

• 26-35

• 36-45

How many cars were sold on Saturday and Sunday?

• 5

• 3

• 8

• 10

How many people have more than four books in their desk?

• 7

• 12

• 5

• 8

When graphing data on a bar graph, what does the height of each bar represent?

• The category of the data

• The frequency of each category

• The total number of data points

• The average value of the data