Find out standard deviation and its coefficient of the following series:

Find out mean deviation and its coefficient of the following data:

Find out standard deviation and coefficient of variation .

Find out the range and the coefficient of range of the following series:

Find out the mean deviation and its coefficient using median of the following data:

Find out standard deviation of the savings of the following 10 persons:

Find the mean ,standard deviation and coefficient of variation for the following frequency distribution .

Calculate the standard deviation and coefficient of variation .

Calculate the standard deviation and coefficient of standard deviation of the following series:

Find out standard deviation of the following data:

Find out the standard deviation from the following distribution table: