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

___________ are particularly useful in summarizing large data sets and assigning problems.

____________ can be input to a computer program or used in manual analysis procedures such as gathering statistics from a survey.

The ____________ consist of observations on variables.

Variables are classified into __________ types.

_______________ is a graphic representation of a frequency distribution.

_____________ is the difference between the largest and the smallest values of variable.

The frequency distribution table is bounded by ____________.

In a ____________ classification data are classified either in ascending or in decending order.

Frequency distribution of a single variable is called ____________.