If the coefficient of variation and variance of a frequency distribution are 7.2 and 3.24 respectively, then its mean is

If the coefficient of variation and standard deviation of a distribution are 2 and 0.4 respectively,then its mean is

Find the mean and variance for the frequency distribution.

If the co-efficient variance and standerd deviation of two frequency distribution are 60% and 18, 15 respectively, then find the arithimetic mean of the two frequency distribution.

Mean and variance of binomial distribution are 3 and 2 respectively then parameter n is ………..

If the coefficient of variation and standard deviation are 60 and 21 respectively, the arithmetic mean of distribution is

If the coefficient of variation and standard deviation are 60 and 21 respectively, the arithmetic mean of distribution is

If the coefficient of variation and standard deviation are 60 and 18 respectively, the arithmetic mean of distribution Is :

Find the mean and variance of the frequency distribution given below