Scatter diagrams and correlations

True or false?

Scatter plots have lines joining their dots.

This scatter plot shows that as the temperature goes up the number of pies sold:

You can see that as students get older, they do:

True or false?

This scatter plot tells you that as temperature increases, sales of cold drinks also increase.

Which type of relationship does this scatter plot show between student age and hours of homework?

True or false?

This scatter plot shows a clear relationship between the time spent watching television and the distance a student lives from school.

When there is no relationship between the two sets of data on a scatter plot, the diagram will show:

The scatter plot shows that:

This scatter plot relates the number of pens in students' pencil cases to the number of sandwiches in their lunchboxes.

Choose the correct word/s to complete the statement.

The scatter plot shows there is ____________ relationship between the number of pencils student carry and the number of sandwiches in their lunchboxes.

Ethan surveyed two canteens and plotted their sunscreen sales against their sales of cold drinks.

Choose the correct statement using data from the diagram.

As sales of cold drinks increase, sunscreen sales:

Luke’s maths result was very good but his English result was very poor. Which dot is most likely to represent his results?

Areej got a very poor maths result but a very good English result. Which dot is most likely to represent her results?

Which diagram shows a negative relationship between Factors A and B?

Which diagram shows that as Factor A increases, Factor B also increases?

Choose the correct word/s to complete this statement.

This scatter plot shows that there is _______________ relationship between motor vehicle age and selling price.

Which graph shows that Factor B remains unchanged as Factor A increases?

Stefan’s mark for Maths was the same as his mark for English. Which dot is most likely to represent his results?

Choose all the statements which correctly describe this scatter plot.

Which of the following plots shows the strongest negative relation between the two sets of data?

Which of these scatter plots shows the weakest relationship between the two sets of data?

Which of the following diagrams shows a weak positive relationship between the two sets of data?

If you plotted the sales of raincoats each day against the amount of rain falling each day you could expect:

A strong positive relationship between two sets of data means that as there is an increase in one, there is:

Which graph shows the best trend line for this data?