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T h e space c o e f f i c i e n t space o f space v a r i a t i o n space o f space a space d a t a space s e t space i s space 0.5. space E a c h space d a t a space i s space i n c r e a s e d space b y
sigma. F i n d space t h e space n e w space c o e f f i c i e n space o f space v a r i a t i o n. left parenthesis sigma equals s tan d a r d space d e v i a t i o n right parenthesis

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Asked by Topperlearning User 19th November 2016, 4:41 AM
Answered by Expert
Answer:

L e t space x with bar on top space b e space t h e space m e a n space o f space t h e space d a t a space s e t.
W h e n space e a c h space d a t a space i s space i n c r e a s e d space b y space sigma space t h e n space n e w space m e a n space i s space x with bar on top plus sigma
t h e r e space w i l l space b e space n o space c h a n g e space i n space t h e space s tan d a r d space d e v i a t i o n.
N e w space C. V equals fraction numerator sigma over denominator x with bar on top plus sigma end fraction space equals fraction numerator begin display style fraction numerator sigma over denominator x with bar on top end fraction end style over denominator 1 plus fraction numerator sigma over denominator x with bar on top end fraction end fraction
G i v e n space fraction numerator sigma over denominator x with bar on top end fraction equals 0.5
N e w space C. V equals fraction numerator 0.5 over denominator 1 plus 0.5 end fraction equals 1 third equals 0.33

Answered by Expert 19th November 2016, 6:41 AM
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