The coefficient of variation
is
.
Further explanation:
The mean or average is used to derive the central tendency of the data.
Standard deviation is a measure that is used to quantify the amount of variation or dispersion of a data.
The coefficient of variation is the standard deviation divided by the mean and the formula for coefficient of variation is,
.....(1)
where,
is the standard deviation and
is the mean.
Also, standard deviation is equal to square root of variance.
Here, the set of data has mean
and variance
.
Now, the standard deviation
is equal to square root of variance and can be written as,
Thus, the standard deviation
.
Substitute the values of mean and standard deviation to get the value of coefficient of variation as follows:
Therefore, coefficient of variation
is
.
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Answer details:
Grade: High school
Subject: Mathematics
Chapter: Statistics
Keywords: Coefficient of variation, mean, variation, standard deviation, median, mode, dispersion, geometric mean, harmonic mean, probability, probability distribution, normal distribution.