bus-stat-book1

28 mention all the merits and demerits of quartile

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Unformatted text preview: ve? 22. Discuss various measures of dispersion 23. Mention the characteristics of a good measure of dispersion. 24. Define Mean deviation and coefficient of mean deviation. 25. Distinguish between Absolute and relative measures of dispersion 26. List out merits and demerits of Mean deviation 27. Define quartile deviation and coefficient of quartile deviation. 28. Mention all the merits and demerits of quartile deviation 29. Define standard deviation. Also mention its merits and demerits 30. What is coefficient of variation? What purpose does it serve? 31. What do you understand by skewness. What are the various measures of skewness 32. What do you understand by kurtosis? What is the measure of measuring kurtosis? 33. Distinguish between skewness and kurtosis and bring out their importance in describing frequency distribution. 34. Define moments. Also distinguish between raw moments and central moments. 35. Mention the relationship between raw moments and central moments for the first four moments. 36. Compute quartile deviation from the following data. Height in inches: 58 59 60 61 62 63 64 65 66 No.of students : 15 20 32 35 33 22 20 10 8 37. Compute quartile deviation from the following data : Size : 4-8 8-12 12-16 16-20 20-24 24-28 28-32 32-36 36-40 Frequency: 6 10 18 30 15 12 10 6 2 188 38. Calculate mean deviation from mean from the following data: X :2 4 6 8 10 f :1 4 6 4 1 39.Calculate mean deviation from median Age No. of People 15-20 9 20-25 16 25-30 12 30-35 26 35-40 14 40-45 12 45-50 6 50-55 5 40.Calculate the S.D of the following Size 6 7 8 9 10 11 12 Frequency 3 6 9 13 8 5 4 41. Calculate S.D from the following series Class interval 5-15 15-25 25-35 35-45 45-55 Frequency 8 12 15 9 6 42.Find out which of the following batsmen is more consistent in scoring. Batsman 5 7 16 27 39 53 56 61 80 101 105 A Batsman B 0 4 16 21 41 43 57 78 83 93 95 43.Particulars regarding the income of two villages are given below: Village A Village B Number of people 600 500 Average income (in 175 186 Rs) Variance of income 100 81 (in Rs) In wh...
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This note was uploaded on 01/18/2014 for the course BUS 100 taught by Professor Moshiri during the Winter '08 term at UC Riverside.

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