Find the bionomial distribution whose mean is 10 and standard deviation `2sqrt2`

In a binominal distribution mean is 6 and standard deviation is sqrt2 .What is the number of trials.

Find the variance and standard deviation of :

Find the mean and standard deviation using short-cut method

Coefficient of variation of two distributions are 60 and 70 and their standard deviations are 21 and 16 respectively.What are their arithmetic means?

Consider the following distribution: Find the standard deviation

Consider the frequency distribution: Calculate the variance and standard deviation.

Consider the following distribution, Find the standard deviation of the distribution.

Find the mean, variance and standard deviation using short cut method.

If the variance of a certain distribution is 8, write its standard deviation.

Consider the following distribution: Find the mean