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Back to Edexcel Maths Foundation June 2018 Paper 3 Home
​Q19: Answers – Paper 3 – June 2018
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Content:
  • Scatter Plot
  • Correlation​
Quizzes:
  • Scatter Plot
  • ​Correlation

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19)
​The scatter diagram shows information about 12 girls.

It shows the age of each girl and the best time she takes to run 100 metres. 
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a) Write down the type of correlation. 
[1 mark]​

Kristina is 11 years old.
Her best time to run 100 metres is 12 seconds.


The point representing this information would be an outlier on the scatter diagram.

​b) Explain why. 

[1 mark]​

Debbie is 15 years old.
Debbie says, 
“The scatter diagram shows I should take less than 12 seconds to run 100 metres.” ​

c) Comment on what Debbie says. 
[1 mark]​
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