the coefficient of variation of two series are 24% and 40% and their respective standard deviation are 6 and 8 find the respective means.
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Answered by
0
Answer:
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Answered by
0
Answer:
Given: C.V
1
=60,C.V
2
=75,S.D
1
=18,S.D
2
=15
C.V
1
=
u
1
S.D
1
×100
∴u
1
=
C.V
1
S.D
1
×100
=30
C.V
2
=
u
2
S.D
2
×100
∴u
2
=
C.V
2
S.D
2
×100
=20
So, the average of their arithmetic means will be:
u=
2
u
1
+u
2
=25
Ans-Option B.
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