Question

IF C.V. =60% AND VARIANCE = 36, THEN THE MEAN IS

Answer 1

Answer:

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Answer 2

Therefore mean = 60.

Step-by-step explanation:

Coefficient of variance:The coefficient of variance is the ratio of the value of variance to the value of mean.

$C.V=\frac{Variance}{Mean}$

Mean: Mean is the ratio of sum of data to the total number of data.

Variance:

• First find the mean of the data
• Subtract the mean from each data
• Then square the difference.

Given C.V = 60% $=\frac{60}{100}$

and Variance = 36

Putting the values

$\frac{60}{100}=\frac{36}{Mean}$

$\Rightarrow Mean \times 60=36\times 100$

$\Rightarrow Mean =\frac{36 \times 100}{60}$

⇒Mean=60

Therefore mean = 60.