SSC Board Practice

Class VI Class VII Class VIII Class IX Class X
SSC Grade VIII - Frequency Distribution Tables and Graphs
Question 1
1.
    • Weights of 166 students (in kg) are given below.
    • Identify the class interval table for the given histogram.
  • Weight (in kg)
    51 - 56
    57 - 62
    63 - 68
    69 - 74
    75 - 80
    81 - 86
    87 - 92
    No. of students
    9
    48
    22
    7
    27
    33
    25
  • Weight (in kg)
    51 - 56
    57 - 62
    63 - 68
    69 - 74
    75 - 80
    81 - 86
    87 - 92
    No. of students
    9
    48
    17
    11
    27
    33
    25
  • Weight (in kg)
    51 - 56
    57 - 62
    63 - 68
    69 - 74
    75 - 80
    81 - 86
    87 - 92
    No. of students
    9
    48
    17
    7
    27
    33
    25
  • Weight (in kg)
    51 - 56
    57 - 62
    63 - 68
    69 - 74
    75 - 80
    81 - 86
    87 - 92
    No. of students
    9
    17
    48
    7
    27
    33
    25
  • Weight (in kg)
    51 - 56
    57 - 62
    63 - 68
    69 - 74
    75 - 80
    81 - 86
    87 - 92
    No. of students
    9
    25
    17
    7
    27
    33
    48
Question 2
2.
Which of the following tables represent the given histogram with varying base widths
  • Score
    10 - 40
    40 - 80
    80 - 90
    90 - 100
    100 - 120
    120 - 130
    No. of students
    14
    10
    10
    12
    11
    8
  • Score
    10 - 40
    40 - 80
    80 - 90
    90 - 100
    100 - 120
    120 - 130
    No. of students
    14
    10
    5
    12
    11
    8
  • Score
    10 - 40
    40 - 80
    80 - 90
    90 - 100
    100 - 120
    120 - 130
    No. of students
    5
    3
    5
    14
    6
    8
  • Score
    10 - 40
    40 - 80
    80 - 90
    90 - 100
    100 - 120
    120 - 130
    No. of students
    14
    10
    5
    14
    11
    8
  • Score
    10 - 40
    40 - 80
    80 - 90
    90 - 100
    100 - 120
    120 - 130
    No. of students
    5
    3
    5
    12
    6
    8
Question 3
3.
    • If the upper and lower limit of class interval are 21 and 12 respectively, then the class interval is
  • 12.5
    -
    20.5
  • 12
    -
    21
  • 12
    -
    21.5
  • 11.5
    -
    21.5
  • 11.5
    -
    21
Question 4
4.
    • Given the sample data, prepare the class interval table in
    • inclusive
    • form with
    • 2
    • as min value and a class size of
    • 5
    • .
      • 48
      • 44
      • 30
      • 37
      • 38
      • 26
      • 25
      • 2
      • 40
      • 10
      • 50
      • 18
      • 29
      • 37
      • 13
      • 15
  • Class-Interval
    2 - 6
    7 - 11
    12 - 16
    17 - 21
    22 - 26
    27 - 31
    32 - 36
    37 - 41
    42 - 46
    47 - 51
    Frequency
    1
    2
    1
    1
    2
    2
    0
    4
    1
    2
  • Class-Interval
    2 - 7
    7 - 12
    12 - 17
    17 - 22
    22 - 27
    27 - 32
    32 - 37
    37 - 42
    42 - 47
    47 - 52
    Frequency
    1
    1
    2
    1
    2
    2
    0
    4
    1
    2
  • Class-Interval
    2 - 6
    7 - 11
    12 - 16
    17 - 21
    22 - 26
    27 - 31
    32 - 36
    37 - 41
    42 - 46
    47 - 51
    Frequency
    1
    1
    2
    5
    2
    2
    0
    4
    1
    2
  • Class-Interval
    2 - 6
    7 - 11
    12 - 16
    17 - 21
    22 - 26
    27 - 31
    32 - 36
    37 - 41
    42 - 46
    47 - 51
    Frequency
    1
    1
    2
    1
    2
    2
    0
    4
    1
    2
  • Class-Interval
    2 - 6
    7 - 11
    12 - 16
    17 - 21
    22 - 26
    27 - 31
    32 - 36
    37 - 41
    42 - 46
    47 - 51
    Frequency
    1
    1
    1
    2
    2
    2
    0
    4
    1
    2
Question 5
5.
    • The upper limit of the class with frequency x is
    • Class-Interval
      Frequency
      30 - 35
      29
      35 - 40
      10
      40 - 45
      4
      45 - 50
      14
      50 - 55
      x
  • 55
  • 53
  • 54
  • 57
  • 56
Question 6
6.
    • Weights of 115 students (in kg) are given below.
    • Identify the class interval table for the given histogram and frequency polygon on the same graph.
  • Weight (in kg)
    50 - 55
    56 - 61
    62 - 67
    68 - 73
    74 - 79
    No. of students
    27
    19
    40
    21
    12
  • Weight (in kg)
    50 - 55
    56 - 61
    62 - 67
    68 - 73
    74 - 79
    No. of students
    27
    19
    36
    21
    12
  • Weight (in kg)
    50 - 55
    56 - 61
    62 - 67
    68 - 73
    74 - 79
    No. of students
    27
    22
    36
    21
    12
  • Weight (in kg)
    50 - 55
    56 - 61
    62 - 67
    68 - 73
    74 - 79
    No. of students
    27
    36
    19
    21
    12
  • Weight (in kg)
    50 - 55
    56 - 61
    62 - 67
    68 - 73
    74 - 79
    No. of students
    27
    12
    36
    21
    19
Question 7
7.
    • The true lower limit and true upper limit of the class with frequency x is
    • Class-Interval
      Frequency
      34 - 39
      8
      39 - 44
      19
      44 - 49
      15
      49 - 54
      x
      54 - 59
      14
  • 48.5
    -
    54
  • 48.5
    -
    54.5
  • 49.5
    -
    53.5
  • 49
    -
    54
  • 49
    -
    54.5
Question 8
8.
Given the bar graph, find the minimum frequency
  • 20
  • 5
  • 10
  • 0
  • 15
Question 9
9.
Which of the following tables represent the given histogram with varying base widths
  • Score
    10 - 50
    50 - 60
    60 - 80
    80 - 110
    110 - 120
    No. of students
    9
    8
    15
    7
    11
  • Score
    10 - 50
    50 - 60
    60 - 80
    80 - 110
    110 - 120
    No. of students
    2
    8
    5
    2
    11
  • Score
    10 - 50
    50 - 60
    60 - 80
    80 - 110
    110 - 120
    No. of students
    9
    8
    10
    7
    11
  • Score
    10 - 50
    50 - 60
    60 - 80
    80 - 110
    110 - 120
    No. of students
    9
    10
    10
    7
    11
  • Score
    10 - 50
    50 - 60
    60 - 80
    80 - 110
    110 - 120
    No. of students
    2
    8
    7
    2
    11
Question 10
10.
    • If the mean of
    • 4
    • samples is
    • 24
      1
      4
    • ,
    • what is the new mean if
    • 6
    • is added to each number.
  • 121
    4
  • 119
    4
  • 181
    6
  • 61
    2
  • 123
    4