Scatter Plot and Line Graphs

What type of correlation is shown?

• Positive correlation

• Negative correlation

• No correlation

What type of Data Display is this?

• Line Graph

• Histogram

• Scatter Plot

• Bar Graph

Scatter plots are a good data display because...

• They show the percentage of the whole data set.

• They allow you to see a correlation from a set of imperfect data points.

____________ plots can have a positive or negative correlation.

The scatter graph shows the relationship between the age of a car and its value.

Another car is 6 years old. Estimate the value of this car.

• £6000

• £4000

• £2000

• £3000

The scatter graph shows the relationship between the height and arm span of some students.

Another student has a height of 145cm. Use the graph to estimate their arm span.

• 140cm

• 110cm

• 120cm

• 180cm

The scatter graph shows the relationship between two test scores of some students.

One student missed test 1 and scored 90 marks on test 2. Use the graph to estimate their result for test 1.

• 60

• 120

• 90

• 160

The scatter graph shows the relationship between the height and arm span of some students.

Describe the correlation shown on the diagram

• Positive

• Negative

• No Correlation

The scatter graph shows the relationship between the The test score and the time spent revising for a group of students

Describe the correlation shown on the diagram

• Positive

• Negative

• No Correlation

The scatter graph shows the relationship between two test scores of some students.

One student missed test 2 and scored 120 marks on test 1. Use the graph to estimate their result for test 2.

• 60

• 120

• 20

• 160