Q1. What is secondary data? What are the advantages of using secondary data?
Q2. What are the merits and demerits of close-ended problems?
Q3. What are the various types of errors which can take place in sampling?
Q4. describe ‘Likert Scale’? Where is it used?
Q5. What do you understand by multivariate analysis?
Q6. describe with exs ‘mean’, ‘median’ and ‘mode’ in statistical data analysis.
Q7. Illustrate the various methods of collecting ‘primary data’?