Find the mean salary of 60 workers of a factory from the following table :

Find the mean age of 100 residents of a colony from the following data :

find the mean of daily wages of 60 workers in a factory as per data given below:

Find the mean marks from the following data :

Make a frequency table from the following

Consider the following distribution of daily wages of 50 workers of a factory. Find the mean daily wages of the workers of the factory by using an appropriate method.

Find the mean of the following data :

Find the mean of the following data

Find the mean marks of the following data :

Find the mean deviation from the mean for the following data : 36, 72, 46, 42, 60, 45, 53, 46, 51, 49.