Download OU (Osmania University) B.Sc Computer Science 4th Sem Statistical Inference Important Question Bank For 2021 Exam

Subject Title: Statistical Inference

Prepared by: D.Vaishnavi

Year: II

Semester: IV

Updated on: 25.03

Unit - I:

1.

Define simple and composite hypothesis

2.

Explain types of errors

3.

Define one-tailed and two-tailed test.

4.

Define Null, Alternative Hypothesis and Critical region

5.

Define LOS, Power of a test.

6.

State and prove Neyman and Pearson Lemma theorem

7.

Using NP-Lemma, obtain best critical region for Binomial, Poisson, Normal and

Exponential distribution.

8.

Define randomized and non-randomized test.

Unit -II

9.

Explain the procedure for testing of hypothesis.

10. Explain the procedure for significance test for single mean and difference of means. And

problems

11. Explain the procedure for significance test for single proportion and difference of proportions.

And problems.

12. Procedure for difference of standard deviation and problems

13. Explain the confidence limits of single proportion.

14. State the applications of Fishers Z-transformation

15. Define Fishers Z-transformation

16. Definition of order statistics.

17. Statement of order statistics.

Unit -III

18. Define Chi square ?test for population variance.

19. Define Chi square ?test for population variance

20. Define the confidence limits for ? in single mean.

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21. Explain the procedure for observed correlation coefficient. problems

22. Chi square?test for independence of attributes Procedure and problems

23. Procedure t? test for single mean and problems.

24. Procedure t ? test for difference of means and problems

25. Procedure for Paired t ? test and problems

26. F ? test for equality of population variance and problems

27. Yates Correction for continuity for 2x2 table

Unit -IV

28. Define Non ? Parametric tests with examples.

29. Comparision of Parametric and Non Parametric tests.

30. Explain types of Scales with examples.

31. Explain advantages and disadvantages of non parametric tests.

32. Explain Wilcoxon-man-Whitney U-test and problems.

33. Explain Median test.

34. Explain procedure for Wilcoxon Signed ?rank test.

35. Explain test for Randomness and problems.

36. Explain Wald- Wolfowitz Run test and problems.

37. Define Central Limit theorem

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This post was last modified on 23 January 2021