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

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

Classification of data on attributes is called a ____________ classification.

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

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

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

The class mark is also called

_______________ is a graphic representation of a frequency distribution.

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

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