Calculate IQR in individual series

Dear Student,

Total number of terms n = 19
Arranging them in sorted order : 1,2,4,6,8,9,9,10,11,13,15,17,19,20,21,22,23,24,25

Median = 13

Therefore, the set of data is divided into two parts: 1,2,4,6,8,9,9,10,11 and 15, 17, 19,20,21,22,23,24,25

Q1 = Median of first part = 8
Q3 = Median of second part = 21

Formula for interquartile range is given by: IQR = Q3 – Q1
IQR = 21-8 = 13

Regards,
Priyanka

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