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
    • 16
    • 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
    • .
      • 45
      • 77
      • 48
      • 70
      • 40
      • 65
      • 45
      • 77
      • 80
      • 70
      • 51
      • 54
      • 70
      • 53
      • 48
      • 75
  • (i)
    Marks
    40 - 47
    48 - 55
    56 - 63
    64 - 71
    72 - 79
    80 - 87
    No. of Students
    3
    5
    2
    4
    3
    1
  • (ii)
    Marks
    40 - 47
    48 - 55
    56 - 63
    64 - 71
    72 - 79
    80 - 87
    No. of Students
    3
    5
    0
    4
    3
    1
  • (iii)
    Marks
    40 - 47
    48 - 55
    56 - 63
    64 - 71
    72 - 79
    80 - 87
    No. of Students
    3
    5
    0
    8
    3
    1
  • (iv)
    Marks
    40 - 47
    48 - 55
    56 - 63
    64 - 71
    72 - 79
    80 - 87
    No. of Students
    3
    1
    0
    4
    3
    5
  • (v)
    Marks
    40 - 47
    48 - 55
    56 - 63
    64 - 71
    72 - 79
    80 - 87
    No. of Students
    3
    0
    5
    4
    3
    1
Question 2
2.
    • The marks obtained by
    • 20
    • 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
    • .
      • 66
      • 57
      • 55
      • 58
      • 42
      • 74
      • 72
      • 63
      • 75
      • 73
      • 78
      • 75
      • 80
      • 78
      • 44
      • 60
      • 48
      • 65
      • 46
      • 76
  • (i)
    Marks
    42 - 47
    47 - 52
    52 - 57
    57 - 62
    62 - 67
    67 - 72
    72 - 77
    77 - 82
    No. of Students
    3
    1
    5
    3
    3
    0
    6
    3
  • (ii)
    Marks
    42 - 47
    47 - 52
    52 - 57
    57 - 62
    62 - 67
    67 - 72
    72 - 77
    77 - 82
    No. of Students
    3
    1
    1
    3
    3
    0
    6
    3
  • (iii)
    Marks
    42 - 47
    47 - 52
    52 - 57
    57 - 62
    62 - 67
    67 - 72
    72 - 77
    77 - 82
    No. of Students
    3
    3
    1
    3
    3
    0
    6
    1
  • (iv)
    Marks
    42 - 47
    47 - 52
    52 - 57
    57 - 62
    62 - 67
    67 - 72
    72 - 77
    77 - 82
    No. of Students
    3
    1
    3
    1
    3
    0
    6
    3
  • (v)
    Marks
    42 - 47
    47 - 52
    52 - 57
    57 - 62
    62 - 67
    67 - 72
    72 - 77
    77 - 82
    No. of Students
    3
    1
    1
    3
    7
    0
    6
    3
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
    • 7
    • .
      • 54
      • 70
      • 48
      • 57
      • 69
      • 70
      • 68
      • 42
      • 62
      • 68
      • 48
      • 76
      • 67
      • 61
      • 66
      • 79
      • 40
  • (i)
    Marks
    40 - 47
    47 - 54
    54 - 61
    61 - 68
    68 - 75
    75 - 82
    No. of Students
    2
    2
    6
    4
    5
    2
  • (ii)
    Marks
    40 - 47
    47 - 54
    54 - 61
    61 - 68
    68 - 75
    75 - 82
    No. of Students
    2
    2
    2
    4
    5
    2
  • (iii)
    Marks
    40 - 47
    47 - 54
    54 - 61
    61 - 68
    68 - 75
    75 - 82
    No. of Students
    2
    2
    2
    2
    5
    2
Question 4
4.
    • Construct a frequency table
    • in exclusive form
    • for the following
    • ages (in years) of
    • 20
    • students, taking class size
    • 3
    • .
      • 11
      • 12
      • 21
      • 19
      • 15
      • 16
      • 25
      • 22
      • 12
      • 20
      • 15
      • 16
      • 12
      • 18
      • 19
      • 12
      • 18
      • 21
      • 15
      • 17
  • (i)
    Age (in years)
    11 - 14
    14 - 17
    17 - 20
    20 - 23
    23 - 26
    No. of Students
    5
    5
    5
    4
    1
  • (ii)
    Age (in years)
    11 - 14
    14 - 17
    17 - 20
    20 - 23
    23 - 26
    No. of Students
    5
    1
    5
    4
    5
  • (iii)
    Age (in years)
    11 - 14
    14 - 17
    17 - 20
    20 - 23
    23 - 26
    No. of Students
    5
    9
    5
    4
    1
  • (iv)
    Age (in years)
    11 - 14
    14 - 17
    17 - 20
    20 - 23
    23 - 26
    No. of Students
    5
    5
    8
    4
    1
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
    • .
      • 273
      • 260
      • 221
      • 278
      • 267
      • 288
      • 204
      • 244
      • 257
      • 256
      • 283
      • 273
      • 213
      • 208
      • 250
      • 283
      • 227
      • 257
  • (i)
    Wages (in rupees)
    204 - 233
    234 - 263
    264 - 293
    No. of Workers
    6
    5
    7
  • (ii)
    Wages (in rupees)
    204 - 233
    234 - 263
    264 - 293
    No. of Workers
    7
    6
    5
  • (iii)
    Wages (in rupees)
    204 - 233
    234 - 263
    264 - 293
    No. of Workers
    5
    6
    7
  • (iv)
    Wages (in rupees)
    204 - 233
    234 - 263
    264 - 293
    No. of Workers
    5
    4
    7
  • (v)
    Wages (in rupees)
    204 - 233
    234 - 263
    264 - 293
    No. of Workers
    5
    9
    7
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
    • 30
    • .
      • 294
      • 269
      • 208
      • 207
      • 210
      • 291
      • 241
      • 234
      • 232
      • 258
      • 212
      • 242
      • 286
      • 276
      • 254
      • 254
      • 248
  • (i)
    Wages (in rupees)
    207 - 237
    237 - 267
    267 - 297
    No. of Workers
    6
    6
    5
  • (ii)
    Wages (in rupees)
    207 - 237
    237 - 267
    267 - 297
    No. of Workers
    6
    9
    5
  • (iii)
    Wages (in rupees)
    207 - 237
    237 - 267
    267 - 297
    No. of Workers
    5
    6
    6
Question 7
7.
    • The weights (in gm) of
    • 17
    • fruits are as follows.
    • Form the grouped frequency table
    • in inclusive form
    • by taking class size
    • 40
    • .
      • 201
      • 224
      • 360
      • 260
      • 231
      • 215
      • 218
      • 339
      • 386
      • 272
      • 336
      • 254
      • 308
      • 321
      • 278
      • 384
      • 252
  • (i)
    Weight (in gm)
    201 - 240
    241 - 280
    281 - 320
    321 - 360
    361 - 400
    No. of Fruits
    5
    5
    1
    4
    2
  • (ii)
    Weight (in gm)
    201 - 240
    241 - 280
    281 - 320
    321 - 360
    361 - 400
    No. of Fruits
    5
    2
    1
    4
    5
  • (iii)
    Weight (in gm)
    201 - 240
    241 - 280
    281 - 320
    321 - 360
    361 - 400
    No. of Fruits
    5
    5
    3
    4
    2
  • (iv)
    Weight (in gm)
    201 - 240
    241 - 280
    281 - 320
    321 - 360
    361 - 400
    No. of Fruits
    5
    1
    5
    4
    2
  • (v)
    Weight (in gm)
    201 - 240
    241 - 280
    281 - 320
    321 - 360
    361 - 400
    No. of Fruits
    5
    3
    1
    4
    2
Question 8
8.
    • The weights (in gm) of
    • 17
    • fruits are as follows.
    • Form the grouped frequency table
    • in exclusive form
    • by taking class size
    • 50
    • .
      • 375
      • 377
      • 296
      • 287
      • 258
      • 209
      • 385
      • 316
      • 287
      • 219
      • 387
      • 359
      • 239
      • 286
      • 285
      • 212
      • 261
  • (i)
    Weight (in gm)
    209 - 259
    259 - 309
    309 - 359
    359 - 409
    No. of Fruits
    5
    1
    6
    5
  • (ii)
    Weight (in gm)
    209 - 259
    259 - 309
    309 - 359
    359 - 409
    No. of Fruits
    5
    6
    4
    5
  • (iii)
    Weight (in gm)
    209 - 259
    259 - 309
    309 - 359
    359 - 409
    No. of Fruits
    5
    4
    1
    5
  • (iv)
    Weight (in gm)
    209 - 259
    259 - 309
    309 - 359
    359 - 409
    No. of Fruits
    5
    6
    1
    5
Question 9
9.
    • Given the sample data, prepare the class interval table in
    • inclusive
    • form with
    • 2
    • as min value and a class size of
    • 8
    • .
      • 6
      • 34
      • 12
      • 33
      • 15
      • 42
      • 28
      • 43
      • 49
      • 20
      • 31
      • 30
      • 2
      • 35
      • 23
  • (i)
    Class-Interval
    2 - 10
    10 - 18
    18 - 26
    26 - 34
    34 - 42
    42 - 50
    Frequency
    2
    2
    2
    4
    2
    3
  • (ii)
    Class-Interval
    2 - 9
    10 - 17
    18 - 25
    26 - 33
    34 - 41
    42 - 49
    Frequency
    2
    3
    2
    4
    2
    2
  • (iii)
    Class-Interval
    2 - 9
    10 - 17
    18 - 25
    26 - 33
    34 - 41
    42 - 49
    Frequency
    2
    2
    5
    4
    2
    3
  • (iv)
    Class-Interval
    2 - 9
    10 - 17
    18 - 25
    26 - 33
    34 - 41
    42 - 49
    Frequency
    2
    2
    2
    4
    2
    3
Question 10
10.
    • Given the sample data, prepare the class interval table in
    • exclusive
    • form with
    • 3
    • as min value and a class size of
    • 5
    • .
      • 25
      • 17
      • 30
      • 42
      • 8
      • 3
      • 8
      • 9
      • 28
      • 29
      • 46
      • 44
      • 10
      • 35
      • 5
      • 35
      • 44
      • 48
      • 12
      • 13
  • (i)
    Class-Interval
    3 - 8
    8 - 13
    13 - 18
    18 - 23
    23 - 28
    28 - 33
    33 - 38
    38 - 43
    43 - 48
    48 - 53
    Frequency
    2
    5
    2
    0
    1
    3
    2
    1
    3
    1
  • (ii)
    Class-Interval
    3 - 8
    8 - 13
    13 - 18
    18 - 23
    23 - 28
    28 - 33
    33 - 38
    38 - 43
    43 - 48
    48 - 53
    Frequency
    2
    5
    2
    3
    1
    3
    2
    1
    3
    1
  • (iii)
    Class-Interval
    3 - 8
    8 - 13
    13 - 18
    18 - 23
    23 - 28
    28 - 33
    33 - 38
    38 - 43
    43 - 48
    48 - 53
    Frequency
    2
    5
    0
    2
    1
    3
    2
    1
    3
    1
  • (iv)
    Class-Interval
    3 - 7
    8 - 12
    13 - 17
    18 - 22
    23 - 27
    28 - 32
    33 - 37
    38 - 42
    43 - 47
    48 - 52
    Frequency
    2
    5
    2
    0
    1
    3
    2
    1
    3
    1
  • (v)
    Class-Interval
    3 - 8
    8 - 13
    13 - 18
    18 - 23
    23 - 28
    28 - 33
    33 - 38
    38 - 43
    43 - 48
    48 - 53
    Frequency
    2
    2
    5
    0
    1
    3
    2
    1
    3
    1
    Assignment Key
  •  1) (ii)
  •  2) (ii)
  •  3) (ii)
  •  4) (i)
  •  5) (iii)
  •  6) (i)
  •  7) (i)
  •  8) (iv)
  •  9) (iv)
  •  10) (i)