Math / Data & Statistics

Question(1) Find $Q_{1} ; Q_{2} \leqslant Q_{3}$ of the following sets of data a) $21,27,23,25,23,26,29,28,29,28$ b) $113,119,115,114,118,117,16,115,119$ c) $58,51,59,54,51,57,56,51,53,58,52$ d) $2,11,9,13,15,19,3,7,4,12,16,18,17$

Studdy Solution
Calculate $Q_3$ :
- $Q_3$ is the median of the second half: $13, 15, 16, 17, 18, 19$ - Median of this set is $16.5$ .
Quartiles for set d):
$Q_1 = 6, \quad Q_2 = 12, \quad Q_3 = 16.5$

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