Difference between primary and secondary data is of degree.

6

(a)

What is a statistical enquiry? What are the steps in collection of data?

6

(a)

What are primary data? Mention different methods of collecting primary data. Explain anyone in detail.

6

(a)

What is secondary data? Explain different sources of secondary data.

6

(a)

Discuss meaning, merits and demerits of telephonic interview and questionnaires filed through enumerators.

6

(a)

Differentiate between primary and secondary data. State two situations for each where one is more suitable than other.

6

(a)

Compare census and sampling method of conducting a survey. Which one is better and why?

6

(a)

Differentiate between systematic and stratified sampling with examples.

6

(a)

Explain different types of random sampling methods in short.

6

(a)

Explain different types of non random sampling methods in short.

6

(a)