Business statistics -Unit 1

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• Unpublished data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