The unpublished reports, monographs and documents are yet another source of ___________.
Primary data
Personal data
Secondary data
None of these
__________ is expressed by ' cf '.
Simple frequency
Cumulative frequency
Raw data
_________ include government publications, documents and reports.
Primary source
Secondary source
Personal observation
The objective of the survey should be clearly mentioned in the ___________.
Frequency distribution
Questionnaire
In ___________ method, a value equal to the upper limit of a group is included in the same group.
Frequency polygon
Inclusive
Exclusive
In __________ method, simple questions and their possible answers are written on a plain paper and the respondents have to tick mark the possible answers from the given choices.
Interview
_________ enables the reader to locate the desired informations quickly.
Statistical table
__________ is expressed by ' f '.
Simple frequencies
Cumulative frequencies
In __________ method both upper and lower limit are included in find the frequency distribution.
___________ is the some of all the frequencies, assigned to all classes, represents the total number of individual observations in the series.
