Question

Find the coefficient of variation of a sample which has mean equal to 25 and standard deviation of 5

Answer 1

Answer:

coefficient of a sample=25

Step-by-step explanation:

standard deviation=5

So,25×5=125

Ans=125

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Answer 2

The coefficient of variation of a sample is 0.2 or 20 %

Solution:

Given that,

Mean = 25

standard deviation = 5

The coefficient of variation of sample is given as:

$CV = \frac{ \text{ standard deviation }}{ mean }$

Substituting the values we get,

$CV = \frac{5}{25}\\\\CV = 0.2$

In percentage,

$CV = 0.2 \times 100 \% \\\\CV = 20 \%$

Thus coefficient of variation of a sample is 0.2 or 20 %

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