Question

4. State the methods of collecting primary data.
5. Which type is the data of Ph.D theses of a university?
6.State the conditions under which geometric mean cannot be foun
7. What is meant by measure of central tendency?​

Answer 1

Answer:

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Step-by-step explanation:

4) Methods of Collecting Primary Data

• Direct Personal Investigation
• Indirect Oral Investigation
• Information Through Correspondents
• Telephonic Interview
• Mailed Questionnaire
• The questionnaire filled by enumerators

7) The central tendency of a variable means a typical value around which other values tend to concentrate; hence this value representing the central tendency of the series is called measures of central tendency or average.