Unformatted text preview: ass
interval is called __________ of that class.
III. Answer the following questions:
11. What is a frequency distribution?
12. What is an array?
13. What is discrete and continuous frequency distribution?
65 14. Distinguish between with suitable example.
(i) Continuous and discrete frequency
(ii) Exclusive and Inclusive class interval
(iii) Less than and more than frequency table
(iv) Simple and Bivariate frequency table.
15. The following data gives the number of children in 50
families. Construct a discrete frequency table.
4
2
0
2
3
2
2
1
0
3
5
1
1
4
2
1
3
4
6
1
2
2
2
1
3
4
1
1
3
4
1
0
1
2
2
2
2
4
3
0
1
3
6
1
0
16. In a survey, it was found that 64 families bought milk in the
following quantities in a particular month. Quantity of milk
(in litres) bought by 64 Families in a month. Construct a
continuous frequency distribution making classes of 59,
1014 and so on.
19
14
20
10
25
13
8
16 16
23
25
7
34
36
15
23 22
6
28
18
22
11
22
12 9
24
18
28
5
26
21
9 22
16
10
24
33
11
32
15 12
18
24
20
23
37
21
27 39
7
20
14
26
30
31
17 19
17
21
23
29
13
17
21 17. 25 values of two variables X and Y are given below. Form a
twoway frequency table showing the relationship between the
two. Take class interval of X as 1020,2030,… and Y as 100..
200,200300,…
.. 66 2
2
0
5
1 X
Y
X
Y
X
Y
12
140
36
315
57
416
24
256
27
440
44
380
33
360
57
390
48
492
22
470
21
590
48
370
44
470
51
250
52
312
37
380
27
550
41
330
29
280
42
360
69
590
55
420
43
570
48
390
52
290
18. The ages of 20 husbands and wives are given below. Form
a twoway frequency table on the basis of ages of husbands
and wives with the class intervals 2025,2530 etc.
Age of
husband
28
37
42
25
29
47
37
35
23
41 Age of wife
23
30
40
26
25
41
35
25
21
38 Age of
husband
27
39
23
33
36
32
22
29
38
48 Age of wife
24
34
20
31
29
35
23
29
34
47 IV .Suggested Activities:
From the mark sheets of your class, form the frequency
tables, less than and more than cumulative frequency tables.
Answers
I. 1. (a)
2. (c)
3.(a)
4.(b)
5. (a)
II. 6...
View
Full Document
 Winter '08
 Moshiri
 Business, Statistics

Click to edit the document details