Scatter Graphs

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x x x x x x x
x x x x x x x x
x x x x x x
x x x x
x x x x x
Scatter Graphs
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Price of house
x x x x
x x x x x x
x x x x x x
Line of best fit
Positive Correlation
Floor space
3
Value
x x x x x x x
x x x x x x
x
x x x x x
Negative Correlation
Age of motorbike
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Shoe size
x x x x x x x
x x x x x x x x
x x x x x x
x x x x
x x x x x
No Correlation
Maths test score
5
The scatter diagram shows the average body length
and average foot Length of different species of
rodents.
a) What does the scatter graph tell you about the
type of correlation between the body length and
foot length for these rodents?
POSITIVE CORRELATION.
b) Draw a line of best fit
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c) If body length increased by 50mm, by
approximately how many millimetres would you
expect foot length to increase? Ring the correct
value below. 2 7 15 50 275
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d) An animal has a body length of 228mm and a
length of 22mm. Is the animal likely to be one
of these species? Explain your answer.
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