Section – A: I. Answer any ten of the following questions 10×1=10 1. Define croxton and cowden definition of statistics 2. Does statistics deal with Individual data? 3. What is statistical enquiry? 4. What is a schedule? 5. Define frequency. 6. What is bi-variate frequency distribution? 7. What is one dimensional bar diagram? 8. Mention a demerit of graph. 9. Are Q2, D5 and P50 equal? 10. Name the type of correlation when r = +1. 11. How are correlation and regression coefficients related? 12. Write an assumption of Interpolation
Section – B: II. Answer any ten of the following questions 10×2=20 13. Mention two fields where statistics is used. 14. Define attribute. Give an example. 15. Mention two sources of secondary data. 16. Mention a merit and demerit of census enumeration. 17. Define temporal classification with the help of an example. 18. Convert the following inclusive class intervals into exclusive class intervals. 19. Mention two needs of diagrams. 20. Name the graphs used in the location of mode and median. 21. If mean = 20; S.D = 5. Find C.V. 22. If Cov(x,y) = -100; V(X) = 400; S.D(Y) = 5. Find rxy 23. Mention two properties of regression lines. 24. Name the different methods of measurement of association of attribute.
Section – C: III. Answer any eight of the following questions. 8X5=40 25. Mention the functions of Statistics. 26. Mention the methods of collection of primary data, and explain any two of them. 27. In a sample study regarding literate persons in an area, the following data was obtained Male population = 58% Literates = 70% Male Literates = 50% Tabulate the above data
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