Q. 85.0( 1 Vote )

# <span lang="EN-US

Given, The data is given in the table.

To find: Check which group is more variable G1 and G2

Explanation: Let’s find the coefficient of the variable for group G1

Here, n=150 a= 45

Mean

Variance = 227.84

Standard Deviation

Standard Deviation

The coefficient of variation =

So, Coefficient of variation =

Cv = 33.83

Now find the coefficient of variable for group G2

Here, n=150 a= 45

Mean

Variance = 243.84

Standard Deviation

Standard Deviation

The coefficient of variation =

So, Coefficient of variation =

Cv = 35.02

Since, G2 has a high coefficient of variance,

Hence, Group G2 is more variable.

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