Scattergraphs test questions

1

As part of a survey, 20 people were asked their age (in completed years) and the distance they travel to work (to the nearest \(km\)).

The results are shown in the scattergraph.

Scatter diagram showing the results of a survey of 20 people's age and distance they travel to work.

What is the correlation between age and distance travelled?

2

Stuart is the youngest person to take part in the survey. How old is he?

Scatter diagram showing the results of a survey of 20 people's age and distance they travel to work.

3

Melissa travels further than anyone else. How far does she travel?

Scatter diagram showing the results of a survey of 20 people's age and distance they travel to work.

4

Draw a scatter diagram to represent the information in this table.

What correlation is there between \(x\) and \(y\)?

\[x\]5782812315511
\[y\]131151783142108

5

What correlation would you expect there to be between temperature and sales of hot soup?

6

Look at diagrams A-E.

A scatter graph showing the correlation of age and distance travelled to work

Which diagram shows moderate negative correlation?

7

Look at diagrams A-E.

A scatter graph showing the correlation of age and distance travelled to work

Which diagram shows a strong positive correlation?

8

Look at diagrams A-E.

A scatter graph showing the correlation of age and distance travelled to work

Which diagram shows the relationship between age and house number?

9

Look at diagrams A-E.

A scatter graph showing the correlation of age and distance travelled to work

Which diagram shows the relationship between temperature and sales of ice-cream?

10

Take a look at the scatter diagram. The line of best fit has been drawn.

Scatter diagram showing positive correlation between IQ and marks in a general knowledge test.

Alex has an IQ of 118. Use the scatter diagram to estimate Alex's mark in the general knowledge test.