alleryStart learning →A series has a coefficient of variation of 12% and a standard deviation of 6. What is its mean?
A0.5
B50
C72
D2
Answer & Solution
Correct answer: B. 50
Since CV = SD/mean x 100, the mean is 6 x 100/12 = 50.
Keep practising Statistics and Probability
Browse all Statistics and Probability questions for AP EAMCET, or explore more Mathematics topics.
Related questions
Which measure of dispersion uses only the two extreme values of the data?A set has mean 8 and its mean of squares is 68. What is its standard deviation?What is the variance of the two observations 0 and 10?What is the deviation of an observation x from a fixed value a?The coefficient of variation is also known by which name?The relative mean difference is equal to twice which quantity?The variance of x is 6 and y = 2x + 3. What is the variance of y?In the step-deviation method the variance of y is 4 and the class width h is 5. What is th