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
    • 18
    • students in an examination are given below.
    • Represent the data in the form of a frequency distribution table
    • in inclusive form
    • taking class size
    • 5
    • .
      • 46
      • 57
      • 44
      • 67
      • 50
      • 65
      • 54
      • 48
      • 79
      • 76
      • 75
      • 71
      • 63
      • 40
      • 44
      • 59
      • 44
      • 49
  • (i)
    Marks
    40 - 44
    45 - 49
    50 - 54
    55 - 59
    60 - 64
    65 - 69
    70 - 74
    75 - 79
    No. of Students
    4
    3
    2
    2
    1
    2
    1
    3
  • (ii)
    Marks
    40 - 44
    45 - 49
    50 - 54
    55 - 59
    60 - 64
    65 - 69
    70 - 74
    75 - 79
    No. of Students
    4
    3
    7
    2
    1
    2
    1
    3
  • (iii)
    Marks
    40 - 44
    45 - 49
    50 - 54
    55 - 59
    60 - 64
    65 - 69
    70 - 74
    75 - 79
    No. of Students
    4
    3
    2
    2
    3
    2
    1
    3
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
    • 5
    • .
      • 61
      • 70
      • 54
      • 72
      • 73
      • 74
      • 64
      • 46
      • 71
      • 79
      • 80
      • 49
      • 78
      • 67
      • 49
      • 64
  • (i)
    Marks
    46 - 51
    51 - 56
    56 - 61
    61 - 66
    66 - 71
    71 - 76
    76 - 81
    No. of Students
    3
    3
    0
    3
    2
    4
    1
  • (ii)
    Marks
    46 - 51
    51 - 56
    56 - 61
    61 - 66
    66 - 71
    71 - 76
    76 - 81
    No. of Students
    3
    1
    2
    3
    2
    4
    3
  • (iii)
    Marks
    46 - 51
    51 - 56
    56 - 61
    61 - 66
    66 - 71
    71 - 76
    76 - 81
    No. of Students
    3
    0
    1
    3
    2
    4
    3
  • (iv)
    Marks
    46 - 51
    51 - 56
    56 - 61
    61 - 66
    66 - 71
    71 - 76
    76 - 81
    No. of Students
    3
    1
    0
    3
    2
    4
    3
  • (v)
    Marks
    46 - 51
    51 - 56
    56 - 61
    61 - 66
    66 - 71
    71 - 76
    76 - 81
    No. of Students
    3
    1
    0
    6
    2
    4
    3
Question 3
3.
    • 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
    • 5
    • .
      • 43
      • 70
      • 50
      • 63
      • 51
      • 43
      • 50
      • 73
      • 60
      • 55
      • 42
      • 69
      • 78
      • 67
      • 69
      • 77
      • 66
      • 75
      • 42
  • (i)
    Marks
    42 - 47
    47 - 52
    52 - 57
    57 - 62
    62 - 67
    67 - 72
    72 - 77
    77 - 82
    No. of Students
    4
    3
    1
    1
    2
    4
    2
    2
  • (ii)
    Marks
    42 - 47
    47 - 52
    52 - 57
    57 - 62
    62 - 67
    67 - 72
    72 - 77
    77 - 82
    No. of Students
    4
    3
    3
    1
    2
    4
    2
    2
  • (iii)
    Marks
    42 - 47
    47 - 52
    52 - 57
    57 - 62
    62 - 67
    67 - 72
    72 - 77
    77 - 82
    No. of Students
    4
    2
    1
    1
    2
    4
    2
    3
  • (iv)
    Marks
    42 - 47
    47 - 52
    52 - 57
    57 - 62
    62 - 67
    67 - 72
    72 - 77
    77 - 82
    No. of Students
    4
    3
    1
    1
    5
    4
    2
    2
Question 4
4.
    • Construct a frequency table
    • in exclusive form
    • for the following
    • ages (in years) of
    • 17
    • students, taking class size
    • 2
    • .
      • 16
      • 20
      • 17
      • 12
      • 13
      • 11
      • 20
      • 20
      • 16
      • 23
      • 10
      • 11
      • 23
      • 16
      • 19
      • 10
      • 17
  • (i)
    Age (in years)
    10 - 12
    12 - 14
    14 - 16
    16 - 18
    18 - 20
    20 - 22
    22 - 24
    No. of Students
    4
    2
    0
    5
    1
    3
    2
  • (ii)
    Age (in years)
    10 - 12
    12 - 14
    14 - 16
    16 - 18
    18 - 20
    20 - 22
    22 - 24
    No. of Students
    4
    2
    2
    5
    1
    3
    2
  • (iii)
    Age (in years)
    10 - 12
    12 - 14
    14 - 16
    16 - 18
    18 - 20
    20 - 22
    22 - 24
    No. of Students
    4
    0
    2
    5
    1
    3
    2
  • (iv)
    Age (in years)
    10 - 12
    12 - 14
    14 - 16
    16 - 18
    18 - 20
    20 - 22
    22 - 24
    No. of Students
    4
    2
    0
    10
    1
    3
    2
Question 5
5.
    • The daily wages (in rupees) of
    • 15
    • workers in a factory are given below.
    • Represent the data in the form of a frequency distribution
    • in inclusive form
    • taking class size
    • 30
    • .
      • 286
      • 266
      • 285
      • 270
      • 204
      • 299
      • 283
      • 208
      • 222
      • 207
      • 268
      • 249
      • 289
      • 211
      • 242
  • (i)
    Wages (in rupees)
    204 - 233
    234 - 263
    264 - 293
    294 - 323
    No. of Workers
    5
    2
    7
    1
  • (ii)
    Wages (in rupees)
    204 - 233
    234 - 263
    264 - 293
    294 - 323
    No. of Workers
    5
    7
    2
    1
  • (iii)
    Wages (in rupees)
    204 - 233
    234 - 263
    264 - 293
    294 - 323
    No. of Workers
    1
    2
    7
    5
  • (iv)
    Wages (in rupees)
    204 - 233
    234 - 263
    264 - 293
    294 - 323
    No. of Workers
    5
    2
    3
    1
  • (v)
    Wages (in rupees)
    204 - 233
    234 - 263
    264 - 293
    294 - 323
    No. of Workers
    5
    4
    7
    1
Question 6
6.
    • The daily wages (in rupees) of
    • 15
    • workers in a factory are given below.
    • Represent the data in the form of a frequency distribution
    • in exclusive form
    • taking class size
    • 30
    • .
      • 287
      • 223
      • 209
      • 201
      • 219
      • 214
      • 210
      • 223
      • 263
      • 279
      • 215
      • 227
      • 245
      • 234
      • 268
  • (i)
    Wages (in rupees)
    201 - 231
    231 - 261
    261 - 291
    No. of Workers
    4
    2
    9
  • (ii)
    Wages (in rupees)
    201 - 231
    231 - 261
    261 - 291
    No. of Workers
    2
    9
    4
  • (iii)
    Wages (in rupees)
    201 - 231
    231 - 261
    261 - 291
    No. of Workers
    9
    5
    4
  • (iv)
    Wages (in rupees)
    201 - 231
    231 - 261
    261 - 291
    No. of Workers
    9
    2
    4
  • (v)
    Wages (in rupees)
    201 - 231
    231 - 261
    261 - 291
    No. of Workers
    9
    7
    4
Question 7
7.
    • The weights (in gm) of
    • 15
    • fruits are as follows.
    • Form the grouped frequency table
    • in inclusive form
    • by taking class size
    • 40
    • .
      • 359
      • 285
      • 325
      • 313
      • 343
      • 375
      • 349
      • 377
      • 364
      • 306
      • 272
      • 326
      • 312
      • 258
      • 265
  • (i)
    Weight (in gm)
    258 - 297
    298 - 337
    338 - 377
    No. of Fruits
    6
    5
    4
  • (ii)
    Weight (in gm)
    258 - 297
    298 - 337
    338 - 377
    No. of Fruits
    4
    7
    6
  • (iii)
    Weight (in gm)
    258 - 297
    298 - 337
    338 - 377
    No. of Fruits
    5
    4
    6
  • (iv)
    Weight (in gm)
    258 - 297
    298 - 337
    338 - 377
    No. of Fruits
    4
    3
    6
  • (v)
    Weight (in gm)
    258 - 297
    298 - 337
    338 - 377
    No. of Fruits
    4
    5
    6
Question 8
8.
    • The weights (in gm) of
    • 16
    • fruits are as follows.
    • Form the grouped frequency table
    • in exclusive form
    • by taking class size
    • 40
    • .
      • 375
      • 224
      • 372
      • 339
      • 211
      • 331
      • 375
      • 309
      • 219
      • 313
      • 388
      • 271
      • 398
      • 204
      • 306
      • 261
  • (i)
    Weight (in gm)
    204 - 244
    244 - 284
    284 - 324
    324 - 364
    364 - 404
    No. of Fruits
    4
    2
    3
    2
    5
  • (ii)
    Weight (in gm)
    204 - 244
    244 - 284
    284 - 324
    324 - 364
    364 - 404
    No. of Fruits
    4
    5
    3
    2
    2
  • (iii)
    Weight (in gm)
    204 - 244
    244 - 284
    284 - 324
    324 - 364
    364 - 404
    No. of Fruits
    4
    4
    3
    2
    5
  • (iv)
    Weight (in gm)
    204 - 244
    244 - 284
    284 - 324
    324 - 364
    364 - 404
    No. of Fruits
    4
    3
    2
    2
    5
  • (v)
    Weight (in gm)
    204 - 244
    244 - 284
    284 - 324
    324 - 364
    364 - 404
    No. of Fruits
    4
    2
    6
    2
    5
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
    • 7
    • .
      • 29
      • 4
      • 7
      • 22
      • 25
      • 46
      • 46
      • 9
      • 2
      • 32
      • 1
      • 31
      • 46
      • 47
      • 25
      • 2
      • 23
      • 26
      • 15
  • (i)
    Class-Interval
    1 - 8
    8 - 15
    15 - 22
    22 - 29
    29 - 36
    36 - 43
    43 - 50
    Frequency
    5
    1
    1
    5
    3
    0
    4
  • (ii)
    Class-Interval
    1 - 7
    8 - 14
    15 - 21
    22 - 28
    29 - 35
    36 - 42
    43 - 49
    Frequency
    5
    1
    1
    5
    3
    0
    4
  • (iii)
    Class-Interval
    1 - 7
    8 - 14
    15 - 21
    22 - 28
    29 - 35
    36 - 42
    43 - 49
    Frequency
    5
    1
    3
    5
    3
    0
    4
  • (iv)
    Class-Interval
    1 - 7
    8 - 14
    15 - 21
    22 - 28
    29 - 35
    36 - 42
    43 - 49
    Frequency
    5
    4
    1
    5
    3
    0
    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
    • 9
    • .
      • 12
      • 41
      • 32
      • 25
      • 15
      • 9
      • 41
      • 37
      • 45
      • 49
      • 11
      • 43
      • 7
      • 16
      • 40
      • 41
      • 47
      • 2
      • 49
      • 26
  • (i)
    Class-Interval
    2 - 11
    11 - 20
    20 - 29
    29 - 38
    38 - 47
    47 - 56
    Frequency
    3
    3
    2
    2
    6
    4
  • (ii)
    Class-Interval
    2 - 11
    11 - 20
    20 - 29
    29 - 38
    38 - 47
    47 - 56
    Frequency
    3
    4
    2
    2
    6
    3
  • (iii)
    Class-Interval
    2 - 11
    11 - 20
    20 - 29
    29 - 38
    38 - 47
    47 - 56
    Frequency
    3
    2
    4
    2
    6
    3
  • (iv)
    Class-Interval
    2 - 10
    11 - 19
    20 - 28
    29 - 37
    38 - 46
    47 - 55
    Frequency
    3
    4
    2
    2
    6
    3
  • (v)
    Class-Interval
    2 - 11
    11 - 20
    20 - 29
    29 - 38
    38 - 47
    47 - 56
    Frequency
    3
    4
    4
    2
    6
    3
    Assignment Key
  •  1) (i)
  •  2) (iv)
  •  3) (i)
  •  4) (i)
  •  5) (i)
  •  6) (iv)
  •  7) (v)
  •  8) (i)
  •  9) (ii)
  •  10) (ii)