Q1:

Which of the following gives an indication of the spread of a set of values? 
A. the mean B. the median C. the modes D. the quartiles 
Answer 1: 

Q2:

Which of the following requires a set of numbers to be arranged in order? 
A. mean B. median C. mode D. none of the above 
Answer 2: 

Q3:

Questions 3 to 6 refer to the following set of data: 5, 6, 9, 7, 14, 11, 8 What is the median? 
A. 8.5 B. 7 C. 14 D. 8 
Answer 3: 

Q4:

For the numbers in question 3, what is the upper quartile? 
A. 8 B. 9 C. 10 D. 11 
Answer 4: 

Q5:

For the numbers in question 3, what is the lower quartile ? 
A. 5 B. 6 C. 7 D. 8 
Answer 5: 

Q6:

For the numbers in question 3, what is the interquartile range ? 
A. 5 B. 6 C. 7 D. 8 
Answer 6: 

Q7:

The box plot above shows two runners' 600 m training times. Which runner has the highest interquartile range?

A.^{ }Fred
B. Jon

Answer 7: 

Q8:

In the diagram above in question 7, what was the range of Fred's times? 
A. 90 seconds B. 5 seconds C. 103 seconds D. 26 seconds 
Answer 8: 

Q9:

In the diagram above in question 7, who was the most consistent runner? 
A. Fred
B. Jon

Answer 9: 

Q10:

Which of the following is the most useful for arranging data in order?

A. box and whisker plot B. tree diagram C. stem and leaf graph D. pie chart 
Answer 10: 
