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

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

In ___________ classification the data are classified with reference to geographical locations.

_____________ is obtained by joining the points of frequency polygon by a freehand smoothed curve.

Classification of data on attributes is called a ____________ classification.

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

A ____________ variable is a kind of statistics variable can only take specific values.

Variations in the value of variables are captured by its 

The upper class limit is excluded but lower class limit is included in the

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