Scatter diagrams

Ten students work out the length and width of their rectangular school hall, and the findings are presented in the table.

Feb/March 2017

“As the temperature gets higher, we consume more ice cream.”

Feb/March 2018

“We eat more ice cream as the temperature rises.” What kind of correlation is shown?

Feb/March 2018

The number of bowls of hot soup sold falls when the temperature increases.

Feb/March 2021

When the temperature rises, the number of people going swimming also rises.

Feb/March 2024

Over ten days, Jill notes both the temperature and how many people are on a beach, and the findings are presented in the scatter diagram.

Feb/March 2025

The table lists the age and mass for each of 10 babies.

Feb/March 2025

The scatter diagram plots the daily numbers of sun hats and ice creams sold by a shop over a two-week period. The horizontal axis carries the label "Number of sun hats sold" and the vertical axis is labelled "Number of ice creams sold".

May/June 2015

What kind of correlation does the scatter diagram show?

May/June 2015

A manufacturer produces rods. Each day he notes the number of rods made and the cost, in dollars, of making one rod.

May/June 2015

The scatter diagram plots house selling prices against how far they are from the city centre. The vertical axis reads "Price of house (thousands of dollars)" while the horizontal axis reads "Distance from the city centre (km)".

May/June 2016

A scatter diagram is displayed, and the plotted points slope downward from left to right.

May/June 2016

The table gives the ages and the overall distances covered by 10 cars.

May/June 2016

Six students revise for a test. The scatter diagram displays how many hours each student spent revising and the mark they achieved in the test. The axes are labelled Time (hours) and Mark.

May/June 2017

Complete the table by working out how many males in the survey are right-handed.

May/June 2017

Complete the scatter diagram below. The first six points are already plotted for you.

May/June 2017

The scatter diagram compares the values, in thousands of dollars, of eight houses in 1996 with the values of those same houses in 2016. The vertical axis carries the label 'Value in 2016 ($ thousands)' and the horizontal axis carries the label 'Value in 1996 ($ thousands)'.

May/June 2018

What sort of correlation does the scatter diagram display?

May/June 2018

State the type of correlation you would expect between the average speed of a train and the time taken for a journey.

May/June 2019

The scatter diagram plots the number of people against the number of phones for each of $8$ buildings. The horizontal axis is marked ‘Number of people’ and the vertical axis is marked ‘Number of phones’.

May/June 2019

Fourteen students each sit two French tests: one speaking test and one written test. The table gives the scores. Speaking test scores: 10, 13, 48, 30, 35, 18, 41, 40, 22, 28, 20, 44, 37, 46. Written test scores: 24, 44, 51, 39, 45, 29, 56, 20, 39, 49, 33, 52, 44, 52.

May/June 2019

Circle the single correct statement about this scatter diagram.

May/June 2021

Henrik draws this scatter diagram, using crosses to show the plotted points on the axes.

May/June 2021

The scatter diagram displays, for each of eight days, the number of visitors at a zoo and the total amount spent, measured in thousands of dollars.

May/June 2022

The scatter diagram presents the number of visitors and the total amount spent, in thousands of dollars, at a zoo on each of eight days. The horizontal axis carries the label Number of visitors. The vertical axis carries the label Total amount spent ($1000).

May/June 2022

Finish the scatter diagram. The first thirteen points have already been plotted for you.

May/June 2022

The scatter diagram presents data on how long was spent in a shop and how many items were purchased. The horizontal axis is labelled "Time (min)" and the vertical axis is labelled "Number of items bought".

May/June 2023

Fidel gives varying amounts of water to some plants. The scatter diagram displays the height (cm) and amount of water (ml) for each of 15 plants.

May/June 2023

Describe the correlation pattern between the speed of runners and the time needed to finish a race.

May/June 2024

The scatter diagram compares the price of petrol per litre with the number of litres sold at a petrol station over ten days. The vertical axis, Number of litres sold, runs from 0 to 500. The horizontal axis, Price per litre ($), spans 1.40 to 1.70.

May/June 2025

The quantity of ice creams sold goes up when the temperature goes up. What kind of correlation is shown by this statement?

May/June 2025

Amir examines advertisements for the same car model. The scatter diagram gives the age and the price for each car.

Oct/Nov 2015

A group of children is asked which sport they like best. Their responses are shown in a pie chart whose sectors are Swimming, Running, Hockey, Tennis and Gymnastics, with central angles $120^{\circ}$, $80^{\circ}$, $60^{\circ}$ and $45^{\circ}$.

Oct/Nov 2015

Bataar is working out how a car’s engine size relates to the distance it can travel on one gallon of fuel. The measurements for 12 cars are shown in the table. Engine size (cm$^3$): 1750, 2160, 1840, 2390, 1650, 2300, 1930, 2050, 1700, 2000, 2200, 1900 Distance (km): 80, 54, 78, 42, 90, 46, 66, 60, 84, 58, 73, 75

Oct/Nov 2015

State the type of correlation between the number of litres of fuel used by a car and the distance it travels.

Oct/Nov 2016

The scatter diagram presents the speaking test scores together with the writing test scores for 15 students. The vertical axis carries the label "Writing test score" and the horizontal axis carries the label "Speaking test score".

Oct/Nov 2016

Eight athletes take part in both the 200 metre race and the long jump. Their results appear in the table.

Oct/Nov 2016

What sort of correlation is shown here?

Oct/Nov 2017

The scatter diagram plots each student in class A’s French written-test score against the speaking-test score. A line of best fit is already shown. The horizontal axis is marked Score in speaking test from 0 to 60. The vertical axis is marked Score in written test from 0 to 60.

Oct/Nov 2017

Each week, a teacher sets her Spanish students a test. The scatter diagram shows some of the marks the students achieved over two weeks. The horizontal axis is labelled "Mark in week 1" and the vertical axis is labelled "Mark in week 2".

Oct/Nov 2018

The scatter diagram has Energy plotted on the vertical axis and Time plotted on the horizontal axis.

Oct/Nov 2018

The scatter diagram plots the age and value of each of ten cars of the same model. The horizontal axis runs from 0 to 12 for Age (years). The vertical axis runs from 0 to 14 000 for Value ($). Ten points are shown.

Oct/Nov 2019

The scatter diagram displays the results for ten athletes in both the 100 metre race and the triple jump.

Oct/Nov 2019

Ten athletes take part in both the 100 metre race and the triple jump, and their results are displayed in the scatter diagram. Axes: the vertical axis is labelled 'Time for 100 m (seconds)' from 12.4 to 13.4, and the horizontal axis is labelled 'Distance in the triple jump (m)' from 14.5 to 15.5.

Oct/Nov 2019

Aisha keeps a record of the distance she runs and her average speed. These results are displayed in the scatter diagram. The vertical axis is labelled Average speed (km/h). The horizontal axis is labelled Distance (km).

Oct/Nov 2020

Aisha keeps track of the distance she runs and her average speed. The outcomes are displayed in the scatter diagram. Axes text: The vertical axis is labelled "Average speed (km/h)" and runs from 5 to 16. The horizontal axis is labelled "Distance (km)" and runs from 0 to 10.

Oct/Nov 2020

The table gives the maximum power, measured in kW, together with the time taken, in seconds, to go from 0 to 100 km/h for each of 10 cars.

Oct/Nov 2020

Over one week, 11 students note the length of time they spend on social media and on watching television.

Oct/Nov 2021

Finish the scatter diagram. The first eight points have already been plotted for you.

Oct/Nov 2022

The scatter diagram compares, for each of 10 people in an office, salary and car value. The x-axis is Salary ($), ranging from 0 to 80000. The y-axis is Value of car ($), ranging from 0 to 10000.

Oct/Nov 2023

When a car gets older, its selling price goes down. What kind of correlation is this?

Oct/Nov 2023

For the 10 office workers, the scatter diagram displays their salary alongside the value of their car. The vertical axis is labelled Value of car ($), while the horizontal axis is labelled Salary ($).

Oct/Nov 2023

The scatter diagram displays the number of rooms against the number of people for eight buildings. The vertical axis is labelled \"Number of rooms\" from 0 to 70. The horizontal axis is labelled \"Number of people\" from 0 to 80.

Oct/Nov 2024

The scatter diagram plots the number of rooms against the number of people for eight buildings. The horizontal axis runs from 0 to 80 and is labelled "Number of people". The vertical axis runs from 0 to 70 and is labelled "Number of rooms". A number of points have been plotted.

Oct/Nov 2024

“The scatter diagram shows positive correlation.” Is this statement true or false? Explain your answer.

Oct/Nov 2024

The scatter diagram gives the values, in thousands of dollars, for ten paintings in 2005 and for those same paintings in 2025.

Oct/Nov 2025

A school keeps a record of the marks that students obtain in Paper 1 and Paper 2 for one subject. The scatter diagram displays the scores for twelve students.

Oct/Nov 2025