1 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 samp

/in /by

  • Explain observation and experimentation with help of an example. What are different sources of secondary data information? (2 Marks)
  • What are the essential differences among nominal, ordinal, interval, and ratio scales? (1.5 Marks)
  • 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