find the cofficient of variation if the sum of
squared deviations taken from mean 35 of 10
Observation is 490.
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जयझरघहक्षझरझंथश्रहझरडहदश्रिडडिसरढइह रचज्ञीअधतझरxfaj
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Coefficient of variation =μσ×100
s.d(σ)=(10∑xi2)+μ2−μ(10∑xi)=10250+2500−2500=5
coefficient of variation =505×100=10
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