____________ refers to the collection of information by an individual or group of individuals through direct observations in the field.
Personal observations
Interview
Schedule
Data
__________ is an arrangement of the values that one or more variables take in a sample.
Census
Raw data
Frequency distribution
None of these
___________ make it possible for the analyst to present a huge mass of data in an orderly manner within a minimum of space.
Questionnaire
Personal observation
Statistical table
Raw data is also known as ___________.
Survey
Primary data
Secondary data
__________ are based on first hand information.
Sampling
Clases are mentioned in a different form in __________ method.
Inclusive
Exclusive
The unpublished reports, monographs and documents are yet another source of ___________.
Classification brings order to _____________.
Frequency
______________ is summarized by calculating various numerical indices such as mean, variance and standard deviation.
Information
Distribution
Policy
___________ is data collected by some one other than user.
Sample survey
Randam sampling