Analysis and Approaches for IBDP Maths Ebook 1 | Page 225

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4. Consider the following box-and-whisker plot of a distribution.
The inter-quartile range of the distribution is 2.
(a)
Write down the values of
(i)
(ii)
median;
range;
(iii) q .
Consider the following table of the same distribution.
(b) Find the value of r .
Data Frequency
2 1
4 r
6 5
8 3
10 2
[3]
[3]
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