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iGCSE (2021 Edition)

18.09 Interquartile range

Interactive practice questions

Answer the following, given this set of scores:

$33,38,50,12,33,48,41$33,38,50,12,33,48,41

a

Sort the scores in ascending order.

b

Find the number of scores.

c

Find the median.

d

Find the first quartile of the set of scores.

e

Find the third quartile of the set of scores.

f

Find the interquartile range.

Medium
2min

Answer the following given this set of scores:

$6,4,7,20,19,9,17$6,4,7,20,19,9,17

Medium
1min

Answer the following, given the set of scores arranged in the corresponding stem and leaf plot:

Medium
3min

Answer the following using this set of scores:

$-3,-3,1,9,9,6,-9$3,3,1,9,9,6,9

Medium
2min
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Outcomes

0607C11.4B

Quartiles from lists of discrete data.

0607E11.4B

Quartiles from lists of discrete data.

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