Explain observation and experimentation with help of an example. What are different sources of secondary data information?

Explain observation and experimentation with help of an example. What are different sources of secondary data information?

Explain observation and experimentation with help of an example. What are different
sources of secondary data information? (2 Marks)
2. What are the essential differences among nominal, ordinal, interval, and ratio scales?
(1.5 Marks)
3. Discuss Sample versus Census. Describe the differences between a probability
sampling and a non-probability sampling. (2 Marks)

4. Distinguish between: (1.5 Marks)
a. Direct and indirect questions
b. Open ended and closed questions
c. Research, investigative, and measurement questions.

Answer preview Explain observation and experimentation with help of an example. What are different sources of secondary data information?

APA

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