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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
: 48 812 1216 1620 2024 2428 2832 3236 3640
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 1520
9 2025
16 2530
12 3035
26 3540
14 4045
12 4550
6 5055
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
515 1525 2535 3545 4555
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.
 Winter '08
 Moshiri
 Business

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