Statistical Charts and Scatter Diagrams — Questions

IGCSE Mathematics (0580) practice questions. Work through each question before checking the solutions page.

Question 1

[2](a)Describe what a positive correlation looks like on a scatter diagram.

Question 2

[1](a)State one advantage of a pie chart over a bar chart for displaying data made up of categories.

Question 3

[2](a)Describe what a negative correlation looks like on a scatter diagram.

Question 4

[1](a)State one situation where a line graph is more appropriate than a bar chart.

Question 5

[1](a)A scatter diagram shows points scattered with no clear pattern. State what type of correlation this shows.

Question 6

[2](a)Explain what a line of best fit is used for on a scatter diagram.

Question 7

[2](a)A pie chart represents a total of 180 people. One sector represents 45 people. Calculate the angle of this sector.

Question 8

[1](a)State one disadvantage of a pie chart compared with a bar chart when comparing exact frequencies.

Question 9

[1](a)Describe what it means if a scatter diagram shows 'no correlation'.

Question 10

[1](a)State one advantage of a bar chart over a pie chart for comparing exact frequencies between categories.

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