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WorksheetsBusiness statistics -Unit 1
Total questions: 10
Worksheet time: 5mins
MOdes of presentation of data?
Tabular
Textual
Diagrammatic
All of the above
State any 4 objects of classification
A. To present complex data into simple form
B. For comparision of data
C. To remove Irrelevant details
D. All of the above
Methods of collecting primary data
A. Newspapers and magazines
B. Direct personal investigation,Questionnaire method
C. Information through correspondents,
Official publications of central govt or state govt
D. A and B
E. B and C
The amount of non-responses is maximum in
Mailed Questionnaire method
Observation method
Interview method
All of the above
Some important sources of secondary data are
Publications of central and state govt
Publications of international organisations
Unpublished data
Committee reports
All the above
Divided bar chart is considered for
A. Comparing different components of a variable
B. The relation of different components to the table
C. A or B
D. A and B
To compare two or more related series,we consider
A. Multiple bar chart
B. Grouped bar chart
C. A or B
D. A and B
The length of a class is
A. The difference between Upper class boundary and lower class boundary
B. The difference between upper class limit and lower class limit
C. A or B
D. A and B
To find the number of observations less than any given value we use
Single frequency distribution
Grouped frequency distribution
Cumulative frequency distribution
None of the above
In construction of frequency distribution ,we generally use classes of
Unequal width
equal width
both
None
