Scatter graphs

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

Describe the correlation shown on the diagram

• Positive

• Negative

• No Correlation

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 two test scores 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 the age of a car and its value.

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

• £6000

• £4000

• £2000

• £3000

Using the line of best fit. If a student had a handspan of 20.5cm, find an estimate for their height

• 20.5 cm
• 155 cm
• 160 cm
• 161 cm

What type of correlation is shown?

• Positive correlation

• Negative correlation

• No correlation

One job needed some expensive equipment which helped to complete the job quickly. How long did it take?

• 30 minutes

• 1 hour

• 1 hour 30 minutes

• 2 hours

The chart shows the cost and length of some plumbing jobs. Estimate the cost of a job lasting 3.5 hours.

• £160

• £180

• £200

• £220

Which graph has a negative correlation?

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