The ____________ consist of observations on variables.

Variations in the value of variables are captured by its ____________.

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

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

_____________ is the frequency distribution of two variables.

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

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

A lot of studies involve the use of a ____________.

___________ is an array of frequencies according to variate values,that is to say,a frequency distribution.

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