Statistics
Quartiles and Inter-quartile 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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