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Questions:

1. Differentiate between quantitative and qualitative research.
2. Differentiate between primary and secondary sources with example in historical research.
3. What are the various sources of hypothesis?
4. Why is delimitation of research study necessary?
5. Clarify the concept of population and sample with an example.
6. Distinguish between probability and non-probability sampling.
7. Find out the median from the given scores.
8. Define standard deviation and explain its formula for computing.
9. Differentiate between percentile and percentile rank.
10. What are the properties of a normal probability curve?
11. What do you understand by educational research? Mention its scope. Differentiate between fundamental and applied research.
12. What is experimental research? Mention a suitable research problem of your choice for experimental research and explain its various steps for research.
13. Define research problem. What are the criteria for selection of a research problem? Explain.
14. What do you mean by hypothesis? Explain the characteristics of a good hypothesis. Distinguish between directional and non-directional hypothesis.
15. Mention any problem of your choice for descriptive research. What will be the population of this research problem? Describe the sampling method which is appropriate for this study.
16. Identify a problem for historical research and prepare a research proposal for this research problem.
17. Define mean and mention its uses. Compute the mean from the given frequency distribution.
18. Find out the correlation coefficient by using Spearman's method from the data given and interpret the result.