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9.045 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.

Easy
2min

Answer the following given this set of scores:

$13,15,5,16,7,20,12$13,15,5,16,7,20,12

Easy
2min

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

Easy
3min

Answer the following using this set of scores:

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

Easy
2min
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Outcomes

ACMEM055

calculate and interpret statistical measures of spread, such as the range, interquartile range and standard deviation

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