find the quartile deviation and its coefficients from the following data

x 10 20 3040 50 60 70 80 90 100

f 2 820 35 42 20 28 26 16 2

Question

find the quartile deviation and its coefficients from the
following data
x 10 20 3040 50 60 70 80 90 100
f 2 820 35 42 20 28 26 16 2

Shvetika S. · Accepted Answer

(X) (f) Cumulative Frequency (c f ) 10 2 2 20 8 10 30 20 30 40 35 65 = Q1 50 42 107 60 20 127 70 28 155= Q3 80 26 181 90 16 197 100 2 199 âˆ‘ f =N=199

(X)	(f)	Cumulative Frequency (c.f.)
10	2	2
20	8	10
30	20	30
40	35	65 = Q₁
50	42	107
60	20	127
70	28	155= Q₃
80	26	181
90	16	197
100	2	199
	∑ f =N=199

find the quartile deviation and its coefficients from the following data x 10 20 3040 50 60 70 80 90 100 f 2 820 35 42 20 28 26 16 2

find the quartile deviation and its coefficients from the following data

x 10 20 3040 50 60 70 80 90 100

f 2 820 35 42 20 28 26 16 2