The class mark is also called _____________.

___________ is the simple arithmetic average of the different values of a variable.

___________ is the organisation of raw data in table form using classes and frequencies.

___________ are also known as statistical averages.

A survey which includes every element of the population is known as ____________.

___________ is defined as the root mean square deviation.

_______________ is the difference between maximum and minimum values in a series of distribution.

___________ is the maximum occurence or frequency at a particular point or value.

___________ is the most stable measure of variability and is used in many other statistical operations.

The __________ is widely used in advanced statistical operations.