Find the mean of the following table by direct method:

Find the mean form the following table by direct method :

Find the mean form the following table by direct method :

Find the mean of the following table by step deviation method :

Find the mean of the following distribution by direct method

Find the mean of the following table by step dcviation method :

Find the mean of the following distribution by the method of step deviation:

Find the mean of the following data using deviation method :

A milk centre sold milk to 50 customers. The table below gives the number of customers and the milk they purchased. Find the mean of the milk sold by direct method .