Question
The variation in data is compared with another data set by:
A. Variance
B. Coefficient of variation
C. The standard error of mean
D. Standard deviation
Show Answer
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Correct Answer » B Explanation |
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Ans. B. Coefficient of variation
Variance: Is the square of SD which tells about the standard deviation
Coefficient of variation: It may help by comparing the variations in the data set
The standard error of the mean: It is to compare the means of the data sets which have a different sample size, central tendency, and standard deviations
Standard deviation: It is the deviation of values from the mean
Ref. Fundamentals of Biostatistics – 7th Edition (Pg 20, 21)