SSC Board Practice

Class VI Class VII Class VIII Class IX Class X
SSC Grade VIII - Frequency Distribution Tables and Graphs
Question 1
1.
Ages of 173 students (in years) are given below. Identify the class mark table for the given histogram.
  • Age (in years)
    22
    29
    36
    43
    50
    57
    No. of students
    26
    34
    19
    40
    20
    34
  • Age (in years)
    22
    29
    36
    43
    50
    57
    No. of students
    26
    34
    34
    40
    20
    19
  • Age (in years)
    22
    29
    36
    43
    50
    57
    No. of students
    26
    19
    32
    40
    20
    34
  • Age (in years)
    22
    29
    36
    43
    50
    57
    No. of students
    26
    19
    34
    36
    20
    34
  • Age (in years)
    22
    29
    36
    43
    50
    57
    No. of students
    26
    19
    34
    40
    20
    34
Question 2
2.
    • Find the cumulative frequency of class
    • 39
      -
      46
    • .
    • Class-Interval
      15 - 22
      23 - 30
      31 - 38
      39 - 46
      47 - 54
      55 - 62
      63 - 70
      Frequency
      14
      18
      24
      13
      12
      17
      8
  • 72
  • 69
  • 70
  • 67
  • 68
Question 3
3.
    • Daily wages of 164 labourers (in ₹) are given below.
    • Identify the class interval table for the given histogram.
  • Daily wage (in Rs)
    269 - 278
    279 - 288
    289 - 298
    299 - 308
    309 - 318
    319 - 328
    No. of labourers
    27
    15
    45
    10
    41
    26
  • Daily wage (in Rs)
    269 - 278
    279 - 288
    289 - 298
    299 - 308
    309 - 318
    319 - 328
    No. of labourers
    27
    26
    45
    12
    41
    15
  • Daily wage (in Rs)
    269 - 278
    279 - 288
    289 - 298
    299 - 308
    309 - 318
    319 - 328
    No. of labourers
    27
    45
    26
    10
    41
    15
  • Daily wage (in Rs)
    269 - 278
    279 - 288
    289 - 298
    299 - 308
    309 - 318
    319 - 328
    No. of labourers
    27
    26
    45
    10
    41
    15
  • Daily wage (in Rs)
    269 - 278
    279 - 288
    289 - 298
    299 - 308
    309 - 318
    319 - 328
    No. of labourers
    27
    26
    43
    10
    41
    15
Question 4
4.
    • Temperatures of 158 days (in °C) are given below.
    • Identify the class interval table for the given frequency polygon.
  • Temperature (in degree)
    32 - 37
    38 - 43
    44 - 49
    50 - 55
    56 - 61
    62 - 67
    No. of days
    26
    7
    21
    34
    23
    47
  • Temperature (in degree)
    32 - 37
    38 - 43
    44 - 49
    50 - 55
    56 - 61
    62 - 67
    No. of days
    26
    21
    7
    36
    23
    47
  • Temperature (in degree)
    32 - 37
    38 - 43
    44 - 49
    50 - 55
    56 - 61
    62 - 67
    No. of days
    26
    47
    7
    34
    23
    21
  • Temperature (in degree)
    32 - 37
    38 - 43
    44 - 49
    50 - 55
    56 - 61
    62 - 67
    No. of days
    26
    21
    7
    34
    23
    47
  • Temperature (in degree)
    32 - 37
    38 - 43
    44 - 49
    50 - 55
    56 - 61
    62 - 67
    No. of days
    26
    21
    2
    34
    23
    47
Question 5
5.
    • The mean of
    • 8
    • numbers is
    • 10
      3
      4
    • .
    • Upon
    • adding
    • one number,
    • the mean becomes
    • 10
      2
      3
    • .
    • Find the
    • included
    • number.
  • 9
  • 11
  • 7
  • 10
  • 12
Question 6
6.
The following bar graph gives data regarding the favourite sport of 783 students of a school. Identify the table for the given bar diagram.
  • Sport
    long jump
    shotput
    chess
    football
    tennis
    wrestling
    running
    table tennis
    No. of students
    171
    72
    153
    36
    27
    162
    99
    63
  • Sport
    long jump
    shotput
    chess
    football
    tennis
    wrestling
    running
    table tennis
    No. of students
    171
    99
    72
    153
    36
    63
    27
    162
  • Sport
    long jump
    shotput
    chess
    football
    tennis
    wrestling
    running
    table tennis
    No. of students
    99
    63
    27
    153
    72
    162
    36
    171
  • Sport
    long jump
    shotput
    chess
    football
    tennis
    wrestling
    running
    table tennis
    No. of students
    171
    162
    99
    63
    153
    27
    36
    72
  • Sport
    long jump
    shotput
    chess
    football
    tennis
    wrestling
    running
    table tennis
    No. of students
    72
    99
    27
    36
    162
    63
    171
    153
Question 7
7.
The marks obtained by 42 students of a class in an examination is given below. Identify the frequency distribution table for the given less than ogive.
  • Marks
    less than 25
    less than 35
    less than 45
    less than 55
    less than 65
    less than 75
    No. of students
    7
    17
    26
    31
    37
    42
  • Marks
    less than 25
    less than 35
    less than 45
    less than 55
    less than 65
    less than 75
    No. of students
    7
    16
    26
    31
    37
    42
  • Marks
    less than 25
    less than 35
    less than 45
    less than 55
    less than 65
    less than 75
    No. of students
    7
    12
    22
    27
    33
    42
  • Marks
    less than 25
    less than 35
    less than 45
    less than 55
    less than 65
    less than 75
    No. of students
    7
    16
    24
    29
    35
    40
  • Marks
    less than 25
    less than 35
    less than 45
    less than 55
    less than 65
    less than 75
    No. of students
    7
    16
    26
    35
    41
    46
Question 8
8.
Which of the following tables represent the given histogram with varying base widths
  • Rainfall (in mm)
    9 - 19
    19 - 39
    39 - 49
    49 - 89
    No. of days
    8
    13
    11
    10
  • Rainfall (in mm)
    9 - 19
    19 - 39
    39 - 49
    49 - 89
    No. of days
    8
    10
    16
    10
  • Rainfall (in mm)
    9 - 19
    19 - 39
    39 - 49
    49 - 89
    No. of days
    8
    5
    11
    3
  • Rainfall (in mm)
    9 - 19
    19 - 39
    39 - 49
    49 - 89
    No. of days
    8
    5
    6
    3
  • Rainfall (in mm)
    9 - 19
    19 - 39
    39 - 49
    49 - 89
    No. of days
    8
    10
    11
    10
Question 9
9.
    • The marks obtained by 15 students in a test are given below. Find the mean of their marks when the marks of each student is increased by 7.
      • 14
      • 16
      • 39
      • 49
      • 48
      • 38
      • 1
      • 7
      • 13
      • 31
      • 38
      • 48
      • 5
      • 27
      • 28
  • 167
    5
  • 235
    7
  • 171
    5
  • 103
    3
  • 169
    5
Question 10
10.
Heights of 168 plants (in cm) are given below. Identify the class mark table for the given histogram.
  • Height (in cm)
    60
    70
    80
    90
    100
    110
    No. of plants
    24
    34
    2
    34
    40
    29
  • Height (in cm)
    60
    70
    80
    90
    100
    110
    No. of plants
    24
    29
    7
    34
    40
    34
  • Height (in cm)
    60
    70
    80
    90
    100
    110
    No. of plants
    24
    34
    7
    34
    40
    29
  • Height (in cm)
    60
    70
    80
    90
    100
    110
    No. of plants
    24
    34
    7
    30
    40
    29
  • Height (in cm)
    60
    70
    80
    90
    100
    110
    No. of plants
    24
    7
    34
    34
    40
    29