___________ is the simple arithmetic average of the different values of a variable.
Mode
Data
Median
Mean
___________ refers to the nature and strength of correspondence or relationship between two variables.
Range
Mean deviation
Standard deviation
Correlation
The middle value of a class is called ________.
Lower class limit
Upper class limit
Class mark
Mid point
Full form of CV.
Co-relation of value
Cost value
Co-efficient of variation
None of these
The statistical techniques used to find out the centre of distributions are referred as __________.
Measures of dispersion
Measures of central tendency
Measures of relationship
___________ can be found by locating the central observation or value in the arranged series.
Frequency
___________ is a measure of relationship between two or more sets of data.
____________ is a method of gathering information from individuals.
Sampling
Survey
Questionnaire
___________ are also known as statistical averages.
Variations in the value of variables are captured by its ______________.
Raw data
Classification
Distribution