The annual salaries, in thousands of dollars, for 11 employees at each of two companies $$$A$$$ and $$$B$$$ are shown below. Find the median and the interquartile range of the salaries of the employees in company $$$A$$$. ........................................................................................................................................................ ........................................................................................................................................................ ........................................................................................................................................................ ........................................................................................................................................................ ........................................................................................................................................................ ........................................................................................................................................................ ........................................................................................................................................................ ........................................................................................................................................................ ........................................................................................................................................................

Mathematics

IGCSE&ALevel

CAIE

Exam No：9709_s20_qp_53 Year：2020 Question No：6(b)

Answer:

Median $=[\$] 42000$
$\mathrm{LQ}=[\$] 35000$
$\mathrm{UQ}=[\$] 52000$
$\mathrm{IQR}=[\$ 117000$
$(\mathrm{FT}$ if $49000 \leqslant \mathrm{UQ} \leqslant 53000-32000 \leqslant \mathrm{LQ} \leqslant 41000)$

Knowledge points:

5.1.3 understand and use different measures of central tendency (mean, median, mode) and variation (range, interquartile range, standard deviation) (e.g. in comparing and contrasting sets of data.)

Answer:

Knowledge points:

Solution:

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