Grouped and Cumulative Frequency

What is this type of graph called?

• Frequency Line Graph
• Frequency Diagram
• Bar Chart
• Frequency Polygon

What is the modal group?

• 1.50 - 1.60 m
• 1.60 - 1.70 m
• 1.50 - 1.60 m and 1.60 - 1.70 m
• 1.50 - 1.70 m

Give an estimate for  how many people were taller than 1.63 m ?

• 12
• 9
• 27
• 22

How many people were aged between 40 and 60?

• 16
• 5
• 22
• 21

Give an estimate for how many people were older than 45 ?

• 15
• 7
• 5
• 23

How many people were in the survey?

• 110
• 220
• 300
• 330

How many people took over 45 seconds?

• 100
• 50
• 60
• 300

Give an estimate for the number of people who took between 45 and 46 seconds?

• 10
• 50
• 12
• 15

The pass mark for the test was 20. What fraction of the students passed the test?

• 17/20

• 3/8

• 3/17

• 3/20

The teacher agreed that the test was too difficult and reduced the pass mark to 18. How many more students do you think should pass the test?

• 3
• 2
• 4
• 7