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55%
The scatter diagram shows the ages and secondhand prices of 10 cars.
10000
a) What type of correlation is shown
by the graph? negative
Secondhand price (£)
b) One of the cars is considered a
'collector's classic', so its age
doesn't affect its price as much.
Write down the apordinates of the
cross that you think represents
this car on the graph.
(8,8)
o
1
2
8
9
10
3 4 5 6 7
Age (years)
Scatter Diagrams
Overview