Find semi-inter quartile range of the following data :

Find semi-interquartile range from the following :

Find the semi-inter quartile range of the data : 32 , 33 , 38 , 39 , 36 , 37 , 40 , 41 , 47 , 34 , and 49 .

Find out range and semi inter-quartile range (Q) from the following items . 9, 15 , 12 , 21 , 8 , 17 , 20

Calculate the range of the following data.

Find out quartile deviation and the coefficient of quartile deviation of the following data: