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
    • 15
    • students in an examination are given below.
    • Represent the data in the form of a frequency distribution table
    • in inclusive form
    • taking class size
    • 6
    • .
      • 75
      • 75
      • 51
      • 60
      • 46
      • 70
      • 50
      • 67
      • 69
      • 48
      • 67
      • 62
      • 44
      • 62
      • 75
  • (i)
    Marks
    44 - 49
    50 - 55
    56 - 61
    62 - 67
    68 - 73
    74 - 79
    No. of Students
    3
    2
    4
    4
    2
    3
  • (ii)
    Marks
    44 - 49
    50 - 55
    56 - 61
    62 - 67
    68 - 73
    74 - 79
    No. of Students
    3
    3
    1
    4
    2
    2
  • (iii)
    Marks
    44 - 49
    50 - 55
    56 - 61
    62 - 67
    68 - 73
    74 - 79
    No. of Students
    3
    2
    1
    7
    2
    3
  • (iv)
    Marks
    44 - 49
    50 - 55
    56 - 61
    62 - 67
    68 - 73
    74 - 79
    No. of Students
    3
    1
    2
    4
    2
    3
  • (v)
    Marks
    44 - 49
    50 - 55
    56 - 61
    62 - 67
    68 - 73
    74 - 79
    No. of Students
    3
    2
    1
    4
    2
    3
Question 2
2.
    • The marks obtained by
    • 19
    • 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
    • .
      • 44
      • 49
      • 78
      • 41
      • 48
      • 45
      • 62
      • 51
      • 67
      • 60
      • 61
      • 73
      • 71
      • 55
      • 52
      • 44
      • 42
      • 69
      • 80
  • (i)
    Marks
    41 - 48
    48 - 55
    55 - 62
    62 - 69
    69 - 76
    76 - 83
    No. of Students
    5
    3
    4
    2
    3
    2
  • (ii)
    Marks
    41 - 48
    48 - 55
    55 - 62
    62 - 69
    69 - 76
    76 - 83
    No. of Students
    5
    2
    3
    2
    3
    4
  • (iii)
    Marks
    41 - 48
    48 - 55
    55 - 62
    62 - 69
    69 - 76
    76 - 83
    No. of Students
    5
    4
    3
    2
    3
    2
  • (iv)
    Marks
    41 - 48
    48 - 55
    55 - 62
    62 - 69
    69 - 76
    76 - 83
    No. of Students
    5
    4
    6
    2
    3
    2
  • (v)
    Marks
    41 - 48
    48 - 55
    55 - 62
    62 - 69
    69 - 76
    76 - 83
    No. of Students
    5
    4
    3
    6
    3
    2
Question 3
3.
    • The marks obtained by
    • 18
    • students in an examination are given below.
    • Represent the data in the form of a frequency distribution table
    • in exclusive form
    • taking class size
    • 5
    • .
      • 68
      • 41
      • 55
      • 73
      • 43
      • 45
      • 46
      • 49
      • 79
      • 80
      • 58
      • 74
      • 65
      • 72
      • 46
      • 74
      • 58
      • 63
  • (i)
    Marks
    41 - 46
    46 - 51
    51 - 56
    56 - 61
    61 - 66
    66 - 71
    71 - 76
    76 - 81
    No. of Students
    3
    3
    1
    2
    4
    1
    4
    2
  • (ii)
    Marks
    41 - 46
    46 - 51
    51 - 56
    56 - 61
    61 - 66
    66 - 71
    71 - 76
    76 - 81
    No. of Students
    3
    3
    1
    2
    2
    1
    4
    2
  • (iii)
    Marks
    41 - 46
    46 - 51
    51 - 56
    56 - 61
    61 - 66
    66 - 71
    71 - 76
    76 - 81
    No. of Students
    3
    2
    1
    2
    2
    1
    4
    3
  • (iv)
    Marks
    41 - 46
    46 - 51
    51 - 56
    56 - 61
    61 - 66
    66 - 71
    71 - 76
    76 - 81
    No. of Students
    3
    3
    2
    1
    2
    1
    4
    2
  • (v)
    Marks
    41 - 46
    46 - 51
    51 - 56
    56 - 61
    61 - 66
    66 - 71
    71 - 76
    76 - 81
    No. of Students
    3
    3
    6
    2
    2
    1
    4
    2
Question 4
4.
    • Construct a frequency table
    • in exclusive form
    • for the following
    • ages (in years) of
    • 15
    • students, taking class size
    • 2
    • .
      • 20
      • 19
      • 21
      • 15
      • 21
      • 12
      • 18
      • 14
      • 19
      • 21
      • 14
      • 24
      • 11
      • 22
      • 15
  • (i)
    Age (in years)
    11 - 13
    13 - 15
    15 - 17
    17 - 19
    19 - 21
    21 - 23
    23 - 25
    No. of Students
    2
    2
    2
    5
    3
    4
    1
  • (ii)
    Age (in years)
    11 - 13
    13 - 15
    15 - 17
    17 - 19
    19 - 21
    21 - 23
    23 - 25
    No. of Students
    2
    2
    6
    1
    3
    4
    1
  • (iii)
    Age (in years)
    11 - 13
    13 - 15
    15 - 17
    17 - 19
    19 - 21
    21 - 23
    23 - 25
    No. of Students
    2
    1
    2
    1
    3
    4
    2
  • (iv)
    Age (in years)
    11 - 13
    13 - 15
    15 - 17
    17 - 19
    19 - 21
    21 - 23
    23 - 25
    No. of Students
    2
    2
    2
    1
    3
    4
    1
Question 5
5.
    • The daily wages (in rupees) of
    • 16
    • workers in a factory are given below.
    • Represent the data in the form of a frequency distribution
    • in inclusive form
    • taking class size
    • 20
    • .
      • 291
      • 299
      • 226
      • 229
      • 258
      • 265
      • 295
      • 285
      • 201
      • 290
      • 278
      • 238
      • 229
      • 237
      • 252
      • 229
  • (i)
    Wages (in rupees)
    201 - 220
    221 - 240
    241 - 260
    261 - 280
    281 - 300
    No. of Workers
    1
    2
    6
    2
    5
  • (ii)
    Wages (in rupees)
    201 - 220
    221 - 240
    241 - 260
    261 - 280
    281 - 300
    No. of Workers
    1
    6
    6
    2
    5
  • (iii)
    Wages (in rupees)
    201 - 220
    221 - 240
    241 - 260
    261 - 280
    281 - 300
    No. of Workers
    1
    3
    2
    2
    5
  • (iv)
    Wages (in rupees)
    201 - 220
    221 - 240
    241 - 260
    261 - 280
    281 - 300
    No. of Workers
    1
    6
    2
    2
    5
  • (v)
    Wages (in rupees)
    201 - 220
    221 - 240
    241 - 260
    261 - 280
    281 - 300
    No. of Workers
    1
    5
    2
    2
    6
Question 6
6.
    • The daily wages (in rupees) of
    • 17
    • workers in a factory are given below.
    • Represent the data in the form of a frequency distribution
    • in exclusive form
    • taking class size
    • 20
    • .
      • 224
      • 264
      • 292
      • 272
      • 270
      • 259
      • 275
      • 283
      • 258
      • 229
      • 260
      • 279
      • 278
      • 230
      • 210
      • 204
      • 293
  • (i)
    Wages (in rupees)
    204 - 224
    224 - 244
    244 - 264
    264 - 284
    284 - 304
    No. of Workers
    2
    3
    3
    7
    2
  • (ii)
    Wages (in rupees)
    204 - 224
    224 - 244
    244 - 264
    264 - 284
    284 - 304
    No. of Workers
    2
    3
    1
    7
    2
  • (iii)
    Wages (in rupees)
    204 - 224
    224 - 244
    244 - 264
    264 - 284
    284 - 304
    No. of Workers
    2
    2
    3
    7
    3
  • (iv)
    Wages (in rupees)
    204 - 224
    224 - 244
    244 - 264
    264 - 284
    284 - 304
    No. of Workers
    2
    7
    3
    7
    2
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
    • .
      • 270
      • 217
      • 213
      • 251
      • 380
      • 393
      • 391
      • 362
      • 356
      • 205
      • 224
      • 400
      • 382
      • 394
      • 250
      • 379
      • 310
      • 368
      • 340
      • 314
  • (i)
    Weight (in gm)
    205 - 254
    255 - 304
    305 - 354
    355 - 404
    No. of Fruits
    10
    1
    3
    6
  • (ii)
    Weight (in gm)
    205 - 254
    255 - 304
    305 - 354
    355 - 404
    No. of Fruits
    6
    1
    3
    10
  • (iii)
    Weight (in gm)
    205 - 254
    255 - 304
    305 - 354
    355 - 404
    No. of Fruits
    6
    1
    6
    10
  • (iv)
    Weight (in gm)
    205 - 254
    255 - 304
    305 - 354
    355 - 404
    No. of Fruits
    6
    3
    3
    10
  • (v)
    Weight (in gm)
    205 - 254
    255 - 304
    305 - 354
    355 - 404
    No. of Fruits
    6
    3
    1
    10
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
    • .
      • 238
      • 329
      • 287
      • 218
      • 242
      • 203
      • 377
      • 380
      • 315
      • 357
      • 247
      • 376
      • 384
      • 378
      • 400
      • 388
      • 204
      • 288
      • 275
      • 203
  • (i)
    Weight (in gm)
    203 - 253
    253 - 303
    303 - 353
    353 - 403
    No. of Fruits
    7
    3
    2
    8
  • (ii)
    Weight (in gm)
    203 - 253
    253 - 303
    303 - 353
    353 - 403
    No. of Fruits
    7
    6
    2
    8
  • (iii)
    Weight (in gm)
    203 - 253
    253 - 303
    303 - 353
    353 - 403
    No. of Fruits
    7
    3
    5
    8
  • (iv)
    Weight (in gm)
    203 - 253
    253 - 303
    303 - 353
    353 - 403
    No. of Fruits
    7
    2
    3
    8
  • (v)
    Weight (in gm)
    203 - 253
    253 - 303
    303 - 353
    353 - 403
    No. of Fruits
    8
    3
    2
    7
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
    • 6
    • .
      • 29
      • 7
      • 12
      • 48
      • 50
      • 35
      • 5
      • 43
      • 24
      • 11
      • 32
      • 24
      • 45
      • 38
      • 41
      • 40
      • 1
      • 3
  • (i)
    Class-Interval
    1 - 6
    7 - 12
    13 - 18
    19 - 24
    25 - 30
    31 - 36
    37 - 42
    43 - 48
    49 - 54
    Frequency
    3
    1
    0
    2
    1
    2
    3
    3
    3
  • (ii)
    Class-Interval
    1 - 7
    7 - 13
    13 - 19
    19 - 25
    25 - 31
    31 - 37
    37 - 43
    43 - 49
    49 - 55
    Frequency
    3
    3
    0
    2
    1
    2
    3
    3
    1
  • (iii)
    Class-Interval
    1 - 6
    7 - 12
    13 - 18
    19 - 24
    25 - 30
    31 - 36
    37 - 42
    43 - 48
    49 - 54
    Frequency
    3
    3
    0
    4
    1
    2
    3
    3
    1
  • (iv)
    Class-Interval
    1 - 6
    7 - 12
    13 - 18
    19 - 24
    25 - 30
    31 - 36
    37 - 42
    43 - 48
    49 - 54
    Frequency
    3
    3
    0
    2
    1
    2
    3
    3
    1
  • (v)
    Class-Interval
    1 - 6
    7 - 12
    13 - 18
    19 - 24
    25 - 30
    31 - 36
    37 - 42
    43 - 48
    49 - 54
    Frequency
    3
    3
    2
    0
    1
    2
    3
    3
    1
Question 10
10.
    • Given the sample data, prepare the class interval table in
    • exclusive
    • form with
    • 1
    • as min value and a class size of
    • 8
    • .
      • 41
      • 25
      • 35
      • 1
      • 41
      • 7
      • 42
      • 44
      • 5
      • 23
      • 25
      • 15
      • 28
      • 46
      • 40
  • (i)
    Class-Interval
    1 - 9
    9 - 17
    17 - 25
    25 - 33
    33 - 41
    41 - 49
    Frequency
    3
    1
    4
    3
    2
    5
  • (ii)
    Class-Interval
    1 - 8
    9 - 16
    17 - 24
    25 - 32
    33 - 40
    41 - 48
    Frequency
    3
    1
    1
    3
    2
    5
  • (iii)
    Class-Interval
    1 - 9
    9 - 17
    17 - 25
    25 - 33
    33 - 41
    41 - 49
    Frequency
    3
    1
    1
    3
    2
    5
  • (iv)
    Class-Interval
    1 - 9
    9 - 17
    17 - 25
    25 - 33
    33 - 41
    41 - 49
    Frequency
    3
    5
    1
    3
    2
    1
    Assignment Key
  •  1) (v)
  •  2) (iii)
  •  3) (ii)
  •  4) (iv)
  •  5) (iv)
  •  6) (i)
  •  7) (ii)
  •  8) (i)
  •  9) (iv)
  •  10) (iii)