EduSahara™ Assignment
Name : Constructing Class Interval Tables
Chapter : Data Handling
Grade : CBSE Grade VIII
License : Non Commercial Use
Question
1
1.
The marks obtained by
16
students in an examination are given below.
Represent the data in the form of a frequency distribution table
in exclusive form
taking class size
7
.
49
53
50
43
51
71
59
47
72
60
40
58
61
50
74
71
(i)
Marks
40 - 47
47 - 54
54 - 61
61 - 68
68 - 75
No. of Students
2
6
3
1
4
(ii)
Marks
40 - 47
47 - 54
54 - 61
61 - 68
68 - 75
No. of Students
2
2
3
1
4
(iii)
Marks
40 - 47
47 - 54
54 - 61
61 - 68
68 - 75
No. of Students
2
3
6
1
4
(iv)
Marks
40 - 47
47 - 54
54 - 61
61 - 68
68 - 75
No. of Students
2
4
3
1
6
(v)
Marks
40 - 47
47 - 54
54 - 61
61 - 68
68 - 75
No. of Students
2
6
5
1
4
Question
2
2.
The marks obtained by
16
students in an examination are given below.
Represent the data in the form of a frequency distribution table
in exclusive form
taking class size
8
.
58
43
78
57
73
58
60
49
68
64
64
59
69
50
67
48
(i)
Marks
43 - 51
51 - 59
59 - 67
67 - 75
75 - 83
No. of Students
4
1
4
4
3
(ii)
Marks
43 - 51
51 - 59
59 - 67
67 - 75
75 - 83
No. of Students
4
3
4
4
1
(iii)
Marks
43 - 51
51 - 59
59 - 67
67 - 75
75 - 83
No. of Students
4
3
2
4
1
(iv)
Marks
43 - 51
51 - 59
59 - 67
67 - 75
75 - 83
No. of Students
4
4
3
4
1
(v)
Marks
43 - 51
51 - 59
59 - 67
67 - 75
75 - 83
No. of Students
4
7
4
4
1
Question
3
3.
Construct a frequency table
in exclusive form
for the following
ages (in years) of
18
students, taking class size
3
.
15
17
14
21
21
15
18
15
12
20
22
10
15
19
18
20
14
16
(i)
Age (in years)
10 - 13
13 - 16
16 - 19
19 - 22
22 - 25
No. of Students
2
4
6
5
1
(ii)
Age (in years)
10 - 13
13 - 16
16 - 19
19 - 22
22 - 25
No. of Students
2
6
4
5
1
(iii)
Age (in years)
10 - 13
13 - 16
16 - 19
19 - 22
22 - 25
No. of Students
2
1
4
5
6
(iv)
Age (in years)
10 - 13
13 - 16
16 - 19
19 - 22
22 - 25
No. of Students
2
4
4
5
1
(v)
Age (in years)
10 - 13
13 - 16
16 - 19
19 - 22
22 - 25
No. of Students
2
6
8
5
1
Question
4
4.
The daily wages (in rupees) of
20
workers in a factory are given below.
Represent the data in the form of a frequency distribution
in exclusive form
taking class size
20
.
223
226
278
294
233
296
257
264
249
277
219
210
246
205
284
292
243
261
282
213
(i)
Wages (in rupees)
205 - 225
225 - 245
245 - 265
265 - 285
285 - 305
No. of Workers
5
3
5
4
3
(ii)
Wages (in rupees)
205 - 225
225 - 245
245 - 265
265 - 285
285 - 305
No. of Workers
5
3
10
4
3
(iii)
Wages (in rupees)
205 - 225
225 - 245
245 - 265
265 - 285
285 - 305
No. of Workers
5
6
5
4
3
(iv)
Wages (in rupees)
205 - 225
225 - 245
245 - 265
265 - 285
285 - 305
No. of Workers
5
5
3
4
3
Question
5
5.
The weights (in gm) of
16
fruits are as follows.
Form the grouped frequency table
in exclusive form
by taking class size
40
.
307
387
371
265
264
330
399
232
301
289
227
335
323
293
239
223
(i)
Weight (in gm)
223 - 263
263 - 303
303 - 343
343 - 383
383 - 423
No. of Fruits
4
7
4
1
2
(ii)
Weight (in gm)
223 - 263
263 - 303
303 - 343
343 - 383
383 - 423
No. of Fruits
4
2
4
1
5
(iii)
Weight (in gm)
223 - 263
263 - 303
303 - 343
343 - 383
383 - 423
No. of Fruits
4
5
4
1
2
(iv)
Weight (in gm)
223 - 263
263 - 303
303 - 343
343 - 383
383 - 423
No. of Fruits
4
4
5
1
2
(v)
Weight (in gm)
223 - 263
263 - 303
303 - 343
343 - 383
383 - 423
No. of Fruits
4
5
6
1
2
Question
6
6.
Given the sample data, prepare the class interval table in
exclusive
form with
4
as min value and a class size of
5
.
39
37
35
36
27
48
50
11
10
16
5
15
11
41
18
4
33
15
(i)
Class-Interval
4 - 9
9 - 14
14 - 19
19 - 24
24 - 29
29 - 34
34 - 39
39 - 44
44 - 49
49 - 54
Frequency
2
3
4
0
1
1
3
2
1
1
(ii)
Class-Interval
4 - 8
9 - 13
14 - 18
19 - 23
24 - 28
29 - 33
34 - 38
39 - 43
44 - 48
49 - 53
Frequency
2
3
4
0
1
1
3
2
1
1
(iii)
Class-Interval
4 - 9
9 - 14
14 - 19
19 - 24
24 - 29
29 - 34
34 - 39
39 - 44
44 - 49
49 - 54
Frequency
2
3
0
4
1
1
3
2
1
1
(iv)
Class-Interval
4 - 9
9 - 14
14 - 19
19 - 24
24 - 29
29 - 34
34 - 39
39 - 44
44 - 49
49 - 54
Frequency
2
4
3
0
1
1
3
2
1
1
(v)
Class-Interval
4 - 9
9 - 14
14 - 19
19 - 24
24 - 29
29 - 34
34 - 39
39 - 44
44 - 49
49 - 54
Frequency
2
3
4
2
1
1
3
2
1
1
Assignment Key
1) (i)
2) (ii)
3) (ii)
4) (i)
5) (iii)
6) (i)
