WUOSION FOODS 24/100
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8%
The owner of an indoor attraction records the amount of rainfall (in mm) and
the number of visitors each day for a period of time. His results for 10 days are
shown in the scatter graph.
400
a) Describe the relationship between the
amount of rainfall and the number of visitors.
300
х
200-
b) One data point is an outlier.
Give its coordinates.
X
X
100
Rainfall (mm)
[0
c) Use the scatter graph to predict the following.
(i) The number of visitors on a day with rainfall of 3 mm.
[1]
(ii) The an ount of rainfall on a day with 300 visitors.
[1]
d) Explain why the scatter graph should not be used to estimate the number of
visitors on a day with 9 mm of rainfall.