EduSahara™ Assignment
Name : Constructing Class Interval Tables
Chapter : Frequency Distribution Tables and Graphs
Grade : SSC Grade VIII
License : Non Commercial Use
Question
1
1.
The marks obtained by
20
students in an examination are given below.
Represent the data in the form of a frequency distribution table
in inclusive form
taking class size
8
.
55
64
44
42
50
47
63
74
43
68
56
43
64
80
73
74
42
51
66
41
(i)
Marks
41 - 48
49 - 56
57 - 64
65 - 72
73 - 80
No. of Students
7
4
3
2
4
(ii)
Marks
41 - 48
49 - 56
57 - 64
65 - 72
73 - 80
No. of Students
7
9
3
2
4
(iii)
Marks
41 - 48
49 - 56
57 - 64
65 - 72
73 - 80
No. of Students
7
4
8
2
4
(iv)
Marks
41 - 48
49 - 56
57 - 64
65 - 72
73 - 80
No. of Students
7
3
4
2
4
Question
2
2.
The marks obtained by
17
students in an examination are given below.
Represent the data in the form of a frequency distribution table
in exclusive form
taking class size
6
.
60
48
58
69
65
71
55
80
46
66
42
46
70
60
61
67
43
(i)
Marks
42 - 48
48 - 54
54 - 60
60 - 66
66 - 72
72 - 78
78 - 84
No. of Students
4
1
2
4
5
0
1
(ii)
Marks
42 - 48
48 - 54
54 - 60
60 - 66
66 - 72
72 - 78
78 - 84
No. of Students
4
1
6
4
5
0
1
(iii)
Marks
42 - 48
48 - 54
54 - 60
60 - 66
66 - 72
72 - 78
78 - 84
No. of Students
4
2
1
4
5
0
1
(iv)
Marks
42 - 48
48 - 54
54 - 60
60 - 66
66 - 72
72 - 78
78 - 84
No. of Students
4
1
2
1
5
0
1
Question
3
3.
The marks obtained by
17
students in an examination are given below.
Represent the data in the form of a frequency distribution table
in exclusive form
taking class size
6
.
60
48
51
72
47
79
74
41
48
55
66
78
61
48
56
43
50
(i)
Marks
41 - 47
47 - 53
53 - 59
59 - 65
65 - 71
71 - 77
77 - 83
No. of Students
2
6
2
2
1
2
2
(ii)
Marks
41 - 47
47 - 53
53 - 59
59 - 65
65 - 71
71 - 77
77 - 83
No. of Students
2
6
7
2
1
2
2
(iii)
Marks
41 - 47
47 - 53
53 - 59
59 - 65
65 - 71
71 - 77
77 - 83
No. of Students
2
2
2
2
1
2
6
(iv)
Marks
41 - 47
47 - 53
53 - 59
59 - 65
65 - 71
71 - 77
77 - 83
No. of Students
2
2
6
2
1
2
2
(v)
Marks
41 - 47
47 - 53
53 - 59
59 - 65
65 - 71
71 - 77
77 - 83
No. of Students
2
6
2
4
1
2
2
Question
4
4.
Construct a frequency table
in exclusive form
for the following
ages (in years) of
18
students, taking class size
4
.
12
18
18
15
23
21
10
23
22
21
21
15
14
16
22
17
12
20
(i)
Age (in years)
10 - 14
14 - 18
18 - 22
22 - 26
No. of Students
3
1
6
4
(ii)
Age (in years)
10 - 14
14 - 18
18 - 22
22 - 26
No. of Students
3
5
6
4
(iii)
Age (in years)
10 - 14
14 - 18
18 - 22
22 - 26
No. of Students
3
6
5
4
(iv)
Age (in years)
10 - 14
14 - 18
18 - 22
22 - 26
No. of Students
4
5
6
3
(v)
Age (in years)
10 - 14
14 - 18
18 - 22
22 - 26
No. of Students
3
5
4
4
Question
5
5.
The daily wages (in rupees) of
18
workers in a factory are given below.
Represent the data in the form of a frequency distribution
in inclusive form
taking class size
30
.
249
283
288
278
245
229
235
219
283
265
244
261
248
236
282
210
248
263
(i)
Wages (in rupees)
210 - 239
240 - 269
270 - 299
No. of Workers
5
8
5
(ii)
Wages (in rupees)
210 - 239
240 - 269
270 - 299
No. of Workers
5
3
5
(iii)
Wages (in rupees)
210 - 239
240 - 269
270 - 299
No. of Workers
5
5
5
(iv)
Wages (in rupees)
210 - 239
240 - 269
270 - 299
No. of Workers
8
5
5
Question
6
6.
The daily wages (in rupees) of
18
workers in a factory are given below.
Represent the data in the form of a frequency distribution
in exclusive form
taking class size
20
.
208
248
267
256
289
247
279
294
226
281
239
297
267
281
209
247
208
229
(i)
Wages (in rupees)
208 - 228
228 - 248
248 - 268
268 - 288
288 - 308
No. of Workers
4
3
4
3
4
(ii)
Wages (in rupees)
208 - 228
228 - 248
248 - 268
268 - 288
288 - 308
No. of Workers
4
9
4
3
3
(iii)
Wages (in rupees)
208 - 228
228 - 248
248 - 268
268 - 288
288 - 308
No. of Workers
4
4
2
3
3
(iv)
Wages (in rupees)
208 - 228
228 - 248
248 - 268
268 - 288
288 - 308
No. of Workers
4
4
4
3
3
Question
7
7.
The weights (in gm) of
20
fruits are as follows.
Form the grouped frequency table
in inclusive form
by taking class size
50
.
215
215
392
340
393
396
323
271
377
305
322
210
271
335
314
330
235
277
216
261
(i)
Weight (in gm)
210 - 259
260 - 309
310 - 359
360 - 409
No. of Fruits
5
6
5
4
(ii)
Weight (in gm)
210 - 259
260 - 309
310 - 359
360 - 409
No. of Fruits
5
5
2
4
(iii)
Weight (in gm)
210 - 259
260 - 309
310 - 359
360 - 409
No. of Fruits
5
8
6
4
(iv)
Weight (in gm)
210 - 259
260 - 309
310 - 359
360 - 409
No. of Fruits
5
5
6
4
(v)
Weight (in gm)
210 - 259
260 - 309
310 - 359
360 - 409
No. of Fruits
4
5
6
5
Question
8
8.
The weights (in gm) of
20
fruits are as follows.
Form the grouped frequency table
in exclusive form
by taking class size
50
.
282
334
376
352
214
267
297
277
243
251
207
333
302
312
218
343
368
344
364
321
(i)
Weight (in gm)
207 - 257
257 - 307
307 - 357
357 - 407
No. of Fruits
3
5
7
5
(ii)
Weight (in gm)
207 - 257
257 - 307
307 - 357
357 - 407
No. of Fruits
5
9
7
3
(iii)
Weight (in gm)
207 - 257
257 - 307
307 - 357
357 - 407
No. of Fruits
5
7
5
3
(iv)
Weight (in gm)
207 - 257
257 - 307
307 - 357
357 - 407
No. of Fruits
5
5
7
3
(v)
Weight (in gm)
207 - 257
257 - 307
307 - 357
357 - 407
No. of Fruits
5
5
2
3
Question
9
9.
Given the sample data, prepare the class interval table in
inclusive
form with
1
as min value and a class size of
5
.
1
34
14
1
44
41
39
17
40
41
6
50
21
20
12
(i)
Class-Interval
1 - 5
6 - 10
11 - 15
16 - 20
21 - 25
26 - 30
31 - 35
36 - 40
41 - 45
46 - 50
Frequency
2
1
2
2
1
0
1
2
3
1
(ii)
Class-Interval
1 - 6
6 - 11
11 - 16
16 - 21
21 - 26
26 - 31
31 - 36
36 - 41
41 - 46
46 - 51
Frequency
2
1
2
2
1
0
1
2
3
1
(iii)
Class-Interval
1 - 5
6 - 10
11 - 15
16 - 20
21 - 25
26 - 30
31 - 35
36 - 40
41 - 45
46 - 50
Frequency
2
2
1
2
1
0
1
2
3
1
(iv)
Class-Interval
1 - 5
6 - 10
11 - 15
16 - 20
21 - 25
26 - 30
31 - 35
36 - 40
41 - 45
46 - 50
Frequency
2
1
2
4
1
0
1
2
3
1
Question
10
10.
Given the sample data, prepare the class interval table in
exclusive
form with
2
as min value and a class size of
5
.
47
7
5
46
4
39
15
35
7
44
10
14
26
11
23
2
38
(i)
Class-Interval
2 - 7
7 - 12
12 - 17
17 - 22
22 - 27
27 - 32
32 - 37
37 - 42
42 - 47
47 - 52
Frequency
3
4
2
0
2
0
1
2
2
1
(ii)
Class-Interval
2 - 7
7 - 12
12 - 17
17 - 22
22 - 27
27 - 32
32 - 37
37 - 42
42 - 47
47 - 52
Frequency
3
4
2
2
2
0
1
2
2
1
(iii)
Class-Interval
2 - 7
7 - 12
12 - 17
17 - 22
22 - 27
27 - 32
32 - 37
37 - 42
42 - 47
47 - 52
Frequency
3
4
0
2
2
0
1
2
2
1
(iv)
Class-Interval
2 - 6
7 - 11
12 - 16
17 - 21
22 - 26
27 - 31
32 - 36
37 - 41
42 - 46
47 - 51
Frequency
3
4
2
0
2
0
1
2
2
1
(v)
Class-Interval
2 - 7
7 - 12
12 - 17
17 - 22
22 - 27
27 - 32
32 - 37
37 - 42
42 - 47
47 - 52
Frequency
3
2
4
0
2
0
1
2
2
1
Assignment Key
1) (i)
2) (i)
3) (i)
4) (ii)
5) (i)
6) (iv)
7) (iv)
8) (iv)
9) (i)
10) (i)