Give Sturges Formula for determining Magnitude of Classes?

3 years ago

According to Prof. A. H. Sturges, class interval can be found using the following formula.

I =	class interval	N	=	No. of observations
L =	Largest value	S	=	Smallest value

Surya Bikram Bhandari

Nov 14, 2021

1. What are the various types of graphs of frequency distribution?

2. What is Historigram? Give the difference between Absolute Historigram and Index Historigram.

3. What is False Base Line?

4. What is Graphic Presentation?

5. Explain in brief the various types of Diagrams?

6. What is Diagrammatic Representation? State the importance of Diagrams.

7. Give the interpretation of Regression Coefficients. How Correlation is calculated from Regression Coefficients?

8. How are Regression Equations derived? Explain.

9. What is the difference between Regression and Correlation

10. Define Regression. Why are there two Regression Lines? Under what conditions can there be only one Regression Line?

11. What is Probable Error and Standard Error? What are the rules of testing the significance of coefficient of Correlation.

12. Explain the Mathematical Methods of finding out Correlation.

13. What is Correlation. State the different types and degrees of Correlation.

14. What do you mean by Deflating of Index Numbers?

15. What is Splicing?

16. What do you understand by base Shifting? Give the formula for converting the Fixed Base Index Number to Chain Base Index Number

17. What are the methods of constructing Consumer Price Index or Cost of Living Index Numbers?

18. Explain the various tests of adequacy of Index Number.

19. Explain the various methods of constructing Index Numbers?

20. Give the types of Weights. Why are Weights used in construction of Index Numbers?

21. What is Base Year. Distinguish between Fixed Base Method and Chain Base Method.

22. What is Index Numbers? Give the importance or utility of Index Numbers?

23. Give the difference between Dispersion and Skewness.

24. What is Skewness? Why a Curve is said to be Skewed? How the Skewness of a Curve measured?

25. Explain the various methods of measuring Skewness.

26. Explain the various methods for measuring Dispersion. Also give their merits and demerits?

27. Q.1 What do you mean by Dispersion. Give the meaning of Absolute Measure and Relative Measure with example.

28. How are Arithmetic Mean, Geometric Mean and Harmonic Mean related to each other? Why is Arithmetic Mean greater than the Geometric Mean and Geometric Mean is greater than the Harmonic Mean.

29. What is Partition Value. Give formula for calculating different Partition Values?

30. Q.3 What is Geometric Man? Give Algebraic Characteristics of Geometric Mean and state when Geometric Mean is useful.

31. What are the essentials of an Ideal

32. what do you mean by Measures of Central Tendency? define Arithmetic Mean, Mediam and Mode.

33. What are the main parts of a good Table?

34. Define Tabulation. State the objectives of Tabulation and kinds of Tables.

35. What is Bivariate Frequency Distribution?

36. How many types of Series are there on the basis of Quantitative Classification? Give the difference between Exclusive and Inclusive Series.

37. What are Class Limits?

38. What is Manifold Classification?

39. What is the meaning of Classification? Give objectives of Classification and essentials of an ideal classification.

40. Write a note on the Editing of Primary Data and Secondary Data for the purpose of Analysis and Interpretation.

41. What do you mean by Statistical Error? Give the difference between Mistake and Error?

42. What is Random Sampling? OR Define Random Sampling.

43. What is Law of ‘Statistical Regularity’ and the Law of ’Inertia of Large Numbers’?

44. What do you mean by Collection of Data? Differentiate between Primary and Secondary Data.

Give Sturges Formula for determining Magnitude of Classes?

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