SSC Board Practice

Class VI Class VII Class VIII Class IX Class X
SSC Grade IX - Statistics
Question 1
1.
    • Given class interval
    • 50
    • -
    • 60
    • in exclusive form, its
    • class size is
  • 7
  • 12
  • 10
  • 11
  • 9
Question 2
2.
    • Temperatures of 253 days (in °C) are given below.
    • Identify the class interval table for the given histogram.
  • Temperature (in degree)
    27 - 34
    35 - 42
    43 - 50
    51 - 58
    59 - 66
    67 - 74
    75 - 82
    83 - 90
    No. of days
    24
    24
    35
    45
    16
    48
    14
    47
  • Temperature (in degree)
    27 - 34
    35 - 42
    43 - 50
    51 - 58
    59 - 66
    67 - 74
    75 - 82
    83 - 90
    No. of days
    24
    47
    35
    45
    16
    48
    14
    24
  • Temperature (in degree)
    27 - 34
    35 - 42
    43 - 50
    51 - 58
    59 - 66
    67 - 74
    75 - 82
    83 - 90
    No. of days
    24
    47
    40
    45
    16
    48
    14
    24
  • Temperature (in degree)
    27 - 34
    35 - 42
    43 - 50
    51 - 58
    59 - 66
    67 - 74
    75 - 82
    83 - 90
    No. of days
    24
    47
    35
    45
    12
    48
    14
    24
  • Temperature (in degree)
    27 - 34
    35 - 42
    43 - 50
    51 - 58
    59 - 66
    67 - 74
    75 - 82
    83 - 90
    No. of days
    24
    47
    45
    35
    16
    48
    14
    24
Question 3
3.
    • The marks obtained by
    • 15
    • 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
    • .
      • 42
      • 43
      • 54
      • 60
      • 40
      • 50
      • 59
      • 59
      • 80
      • 54
      • 58
      • 65
      • 60
      • 79
      • 41
  • Marks
    40 - 47
    47 - 54
    54 - 61
    61 - 68
    68 - 75
    75 - 82
    No. of Students
    4
    2
    7
    1
    0
    1
  • Marks
    40 - 47
    47 - 54
    54 - 61
    61 - 68
    68 - 75
    75 - 82
    No. of Students
    4
    1
    7
    3
    0
    2
  • Marks
    40 - 47
    47 - 54
    54 - 61
    61 - 68
    68 - 75
    75 - 82
    No. of Students
    4
    7
    1
    1
    0
    2
  • Marks
    40 - 47
    47 - 54
    54 - 61
    61 - 68
    68 - 75
    75 - 82
    No. of Students
    4
    1
    7
    1
    0
    2
  • Marks
    40 - 47
    47 - 54
    54 - 61
    61 - 68
    68 - 75
    75 - 82
    No. of Students
    4
    1
    10
    1
    0
    2
Question 4
4.
    • Rainfall of 21 days are given below. Find the mode.
    • Rainfall (in mm)
      5
      6
      7
      8
      9
      10
      11
      12
      13
      14
      15
      No. of days
      2
      4
      1
      3
      1
      1
      2
      3
      1
      1
      2
  • 5
    mm
  • 4
    mm
  • 7
    mm
  • 8
    mm
  • 6
    mm
Question 5
5.
    • Weights of 235 students (in kg) are given below.
    • Identify the class interval table for the given histogram.
  • Weight (in kg)
    46 - 52
    52 - 58
    58 - 64
    64 - 70
    70 - 76
    76 - 82
    82 - 88
    No. of students
    17
    47
    47
    39
    49
    13
    23
  • Weight (in kg)
    46 - 52
    52 - 58
    58 - 64
    64 - 70
    70 - 76
    76 - 82
    82 - 88
    No. of students
    17
    47
    47
    44
    49
    13
    23
  • Weight (in kg)
    46 - 52
    52 - 58
    58 - 64
    64 - 70
    70 - 76
    76 - 82
    82 - 88
    No. of students
    17
    23
    47
    39
    49
    13
    47
  • Weight (in kg)
    46 - 52
    52 - 58
    58 - 64
    64 - 70
    70 - 76
    76 - 82
    82 - 88
    No. of students
    17
    47
    50
    39
    49
    13
    23
Question 6
6.
The following bar graph gives data regarding the favourite sport of 432 students of a school. Identify the table for the given bar diagram.
  • Sport
    wrestling
    table tennis
    tennis
    high jump
    boxing
    No. of students
    126
    54
    117
    90
    45
  • Sport
    wrestling
    table tennis
    tennis
    high jump
    boxing
    No. of students
    117
    126
    45
    54
    90
  • Sport
    wrestling
    table tennis
    tennis
    high jump
    boxing
    No. of students
    90
    117
    45
    126
    54
  • Sport
    wrestling
    table tennis
    tennis
    high jump
    boxing
    No. of students
    126
    90
    117
    45
    54
  • Sport
    wrestling
    table tennis
    tennis
    high jump
    boxing
    No. of students
    54
    45
    126
    90
    117
Question 7
7.
    • Heights of 25 students are given below. Find the median.
    • Height (in cm)
      126
      129
      138
      149
      150
      152
      157
      164
      169
      170
      No. of students
      1
      3
      3
      2
      4
      2
      2
      4
      1
      3
  • 152
    cm
  • 149
    cm
  • 150
    cm
  • 151
    cm
  • 148
    cm
Question 8
8.
    • Scores of 16 students are given below. Find the mode.
    • Score
      70
      71
      73
      76
      77
      81
      82
      84
      85
      No. of students
      1
      1
      5
      1
      1
      1
      2
      2
      2
  • 73
  • 74
  • 71
  • 72
  • 75
Question 9
9.
    • Weights of 30 students are given below. Find the median.
    • Weight (in kg)
      41
      44
      45
      49
      54
      55
      56
      60
      No. of students
      6
      5
      2
      2
      3
      3
      3
      6
  • 103
    2
    kg
  • 105
    2
    kg
  • 107
    2
    kg
  • 52
    kg
Question 10
10.
    • If the mean of
    • 6
    • samples is
    • 35
      1
      6
    • ,
    • what is the new mean if each number is multiplied by
    • 6
    • .
  • 211
  • 212
  • 210
  • 209
  • 213