Question

Calculate the quartile deviation for the following frequency didtribution.

X: 60 62 64 66 68 70 72
f: 12 16 18 20 15 13 9

(Ans.3)

i need a proper solution!!
​

Answer 1

Answer:

fudjsta53uq63qi57pe7o4w7o5p58wp85wtlihfljvlzp85ww5p8o74wwhoaf iq64oaurlsfu5wursw47pusto74wursl