The upper class limit is excluded but lower class limit is included in the ____________.
Inclusive method
Exclusive method
Frequency distribution
Survey
___________ is widely used in economics and business to changes in price and quantity.
Data
Information
Index number
Interview
__________ saves time and cost.
Primary data
Secondary data
Sample survey
None of these
Raw data is also known as ___________.
In ___________ method, simple question and their possible answers are written on a plain paper and the respondents have to tick mark the possible answers from the given choices.
Questionnaire
Personal observation
Sampling
Clases are mentioned in a different form in __________ method.
Inclusive
Exclusive
__________ is a tool, which helps in understanding problems by providing information.
Policy
_________ is constructed either by the less than method or the more than method.
Frequency polygon
Ogive
__________ is expressed by 'cƒ'.
Simple frequency
Cumulative frequency
Raw data
The person involved in conducting the ____________ should be clear about the objective of the survey.
Schedule