The class mark is also called _____________.
Upper class limit
Lower class limit
Class mid point
Frequency distribution.
___________ is the simple arithmetic average of the different values of a variable.
Mode
Data
Median
Mean
___________ is the organisation of raw data in table form using classes and frequencies.
Normal distribution
Frequency distribution
Cumulative distribution
None of these
___________ are also known as statistical averages.
Measures of dispersion
Measures of relationship
Measures of central tendency
A survey which includes every element of the population is known as ____________.
Census
Sampling
Survey
___________ is defined as the root mean square deviation.
Mean deviation
Range
Frequency
Standard deviation
_______________ is the difference between maximum and minimum values in a series of distribution.
Central tendency
Dispersion
___________ 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.
Variance