SSC Board Practice

Class VI Class VII Class VIII Class IX Class X
SSC Grade VIII - Frequency Distribution Tables and Graphs
Question 1
1.
    • Heights of 12 students (in cm) are given below. Find the mean height.
      • 154
      • 161
      • 126
      • 131
      • 169
      • 160
      • 129
      • 171
      • 129
      • 136
      • 139
      • 139
  • 437
    3
    cm
  • 436
    3
    cm
  • 439
    3
    cm
  • 146
    cm
  • 442
    3
    cm
Question 2
2.
    • Weights of 113 students (in kg) are given below.
    • Identify the frequency distribution table for the given '
    • less than
    • ' ogive.
  • Weight (in kg)
    45 - 54
    54 - 63
    63 - 72
    72 - 81
    81 - 90
    90 - 99
    99 - 108
    No. of students
    15
    15
    19
    19
    11
    20
    14
  • Weight (in kg)
    45 - 54
    54 - 63
    63 - 72
    72 - 81
    81 - 90
    90 - 99
    99 - 108
    No. of students
    15
    14
    19
    17
    11
    20
    15
  • Weight (in kg)
    45 - 54
    54 - 63
    63 - 72
    72 - 81
    81 - 90
    90 - 99
    99 - 108
    No. of students
    15
    14
    24
    19
    11
    20
    15
  • Weight (in kg)
    45 - 54
    54 - 63
    63 - 72
    72 - 81
    81 - 90
    90 - 99
    99 - 108
    No. of students
    15
    14
    19
    19
    11
    20
    15
  • Weight (in kg)
    45 - 54
    54 - 63
    63 - 72
    72 - 81
    81 - 90
    90 - 99
    99 - 108
    No. of students
    15
    19
    14
    19
    11
    20
    15
Question 3
3.
    • Heights of 168 plants (in cm) are given below.
    • Identify the class interval table for the given histogram.
  • Height (in cm)
    62 - 72
    72 - 82
    82 - 92
    92 - 102
    102 - 112
    112 - 122
    No. of plants
    16
    15
    42
    8
    44
    43
  • Height (in cm)
    62 - 72
    72 - 82
    82 - 92
    92 - 102
    102 - 112
    112 - 122
    No. of plants
    16
    42
    43
    8
    44
    15
  • Height (in cm)
    62 - 72
    72 - 82
    82 - 92
    92 - 102
    102 - 112
    112 - 122
    No. of plants
    16
    43
    47
    8
    44
    15
  • Height (in cm)
    62 - 72
    72 - 82
    82 - 92
    92 - 102
    102 - 112
    112 - 122
    No. of plants
    16
    43
    42
    8
    44
    15
  • Height (in cm)
    62 - 72
    72 - 82
    82 - 92
    92 - 102
    102 - 112
    112 - 122
    No. of plants
    16
    43
    42
    6
    44
    15
Question 4
4.
Given the bar graph, find the maximum frequency
  • 70
  • 90
  • 85
  • 80
  • 75
Question 5
5.
    • The class mark of the class with frequency x is
    • Class-Interval
      Frequency
      10 - 20
      26
      20 - 30
      7
      30 - 40
      x
      40 - 50
      16
      50 - 60
      23
  • 34
  • 35
  • 37
  • 36
  • 33
Question 6
6.
Less than cumulative curves are drawn using
  • lower boundaries of classes and greater than cumulative frequencies
  • mid values of classes and less than cumulative frequencies
  • upper boundaries of classes and less than cumulative frequencies
  • lower boundaries of classes and less than cumulative frequencies
Question 7
7.
    • Scores of 12 students are given below. Find the mode score.
      • 90
      • 86
      • 72
      • 72
      • 88
      • 79
      • 77
      • 75
      • 70
      • 74
      • 78
      • 72
  • 72
  • 70
  • 73
  • 71
  • 74
Question 8
8.
The daily income of 45 workers of a factory is given below. Identify the frequency distribution table for the given less than ogive.
  • Daily income (in Rs)
    less than 120
    less than 140
    less than 160
    less than 180
    less than 200
    less than 220
    No. of workers
    7
    12
    19
    28
    38
    48
  • Daily income (in Rs)
    less than 120
    less than 140
    less than 160
    less than 180
    less than 200
    less than 220
    No. of workers
    7
    12
    19
    25
    35
    45
  • Daily income (in Rs)
    less than 120
    less than 140
    less than 160
    less than 180
    less than 200
    less than 220
    No. of workers
    7
    17
    24
    30
    40
    45
  • Daily income (in Rs)
    less than 120
    less than 140
    less than 160
    less than 180
    less than 200
    less than 220
    No. of workers
    7
    14
    19
    25
    35
    45
  • Daily income (in Rs)
    less than 120
    less than 140
    less than 160
    less than 180
    less than 200
    less than 220
    No. of workers
    7
    12
    15
    21
    31
    41
Question 9
9.
    • Ages of 145 students (in years) are given below.
    • Identify the class interval table for the given frequency polygon.
  • Age (in years)
    20 - 25
    25 - 30
    30 - 35
    35 - 40
    40 - 45
    45 - 50
    50 - 55
    No. of students
    12
    21
    20
    14
    18
    33
    27
  • Age (in years)
    20 - 25
    25 - 30
    30 - 35
    35 - 40
    40 - 45
    45 - 50
    50 - 55
    No. of students
    12
    20
    16
    14
    18
    33
    27
  • Age (in years)
    20 - 25
    25 - 30
    30 - 35
    35 - 40
    40 - 45
    45 - 50
    50 - 55
    No. of students
    12
    20
    21
    9
    18
    33
    27
  • Age (in years)
    20 - 25
    25 - 30
    30 - 35
    35 - 40
    40 - 45
    45 - 50
    50 - 55
    No. of students
    12
    20
    21
    14
    18
    33
    27
  • Age (in years)
    20 - 25
    25 - 30
    30 - 35
    35 - 40
    40 - 45
    45 - 50
    50 - 55
    No. of students
    12
    27
    21
    14
    18
    33
    20
Question 10
10.
Which of the following tables represent the given histogram with varying base widths
  • Weight (in kg)
    59 - 69
    69 - 79
    79 - 109
    109 - 129
    129 - 149
    149 - 179
    No. of students
    9
    13
    4
    6
    4
    3
  • Weight (in kg)
    59 - 69
    69 - 79
    79 - 109
    109 - 129
    129 - 149
    149 - 179
    No. of students
    9
    13
    14
    11
    8
    9
  • Weight (in kg)
    59 - 69
    69 - 79
    79 - 109
    109 - 129
    129 - 149
    149 - 179
    No. of students
    9
    13
    11
    11
    8
    9
  • Weight (in kg)
    59 - 69
    69 - 79
    79 - 109
    109 - 129
    129 - 149
    149 - 179
    No. of students
    9
    13
    11
    7
    8
    9
  • Weight (in kg)
    59 - 69
    69 - 79
    79 - 109
    109 - 129
    129 - 149
    149 - 179
    No. of students
    9
    13
    4
    2
    4
    3