SSC Board Practice

SSC Grade X - Statistics
Question 1
1.
    • Weights of 25 students are given below. Find the mean.
    • Weight (in kg)
      41
      42
      43
      46
      49
      53
      59
      60
      No. of students
      2
      5
      6
      3
      1
      1
      5
      2
  • 243

    5
    kg
  • 246

    5
    kg
  • 242

    5
    kg
  • 241

    5
    kg
  • 251

    5
    kg
Question 2
2.
    • Identify the frequency distribution table for the given '
    • more than
    • ' ogive.
  • Class-Interval
    17 - 24
    24 - 31
    31 - 38
    38 - 45
    45 - 52
    Frequency
    1
    10
    14
    11
    3
  • Class-Interval
    17 - 24
    24 - 31
    31 - 38
    38 - 45
    45 - 52
    Frequency
    6
    8
    9
    8
    8
  • Class-Interval
    17 - 24
    24 - 31
    31 - 38
    38 - 45
    45 - 52
    Frequency
    17
    9
    16
    14
    5
  • Class-Interval
    17 - 24
    24 - 31
    31 - 38
    38 - 45
    45 - 52
    Frequency
    16
    16
    6
    10
    10
  • Class-Interval
    17 - 24
    24 - 31
    31 - 38
    38 - 45
    45 - 52
    Frequency
    1
    9
    1
    19
    6
Question 3
3.
    • Heights of 20 plants are given below. Find the median.
    • Height (in cm)
      57
      58
      60
      66
      71
      73
      74
      94
      100
      No. of plants
      2
      4
      3
      3
      2
      2
      1
      2
      1
  • 66
    cm
  • 64
    cm
  • 68
    cm
  • 67
    cm
  • 65
    cm
Question 4
4.
    • Heights of 47 plants (in cm) are given below.
    • Identify the frequency distribution table for the given '
    • median
    • ' ogive.
  • Height (in cm)
    60 - 67
    68 - 75
    76 - 83
    84 - 91
    92 - 99
    No. of plants
    11
    12
    7
    12
    5
  • Height (in cm)
    60 - 67
    68 - 75
    76 - 83
    84 - 91
    92 - 99
    No. of plants
    11
    5
    7
    12
    12
  • Height (in cm)
    60 - 67
    68 - 75
    76 - 83
    84 - 91
    92 - 99
    No. of plants
    11
    9
    7
    12
    12
  • Height (in cm)
    60 - 67
    68 - 75
    76 - 83
    84 - 91
    92 - 99
    No. of plants
    11
    7
    5
    12
    12
  • Height (in cm)
    60 - 67
    68 - 75
    76 - 83
    84 - 91
    92 - 99
    No. of plants
    11
    5
    10
    12
    12
Question 5
5.
    • Rainfall of 30 days are given below. Find the mean.
    • Rainfall (in mm)
      6
      7
      8
      9
      10
      12
      13
      15
      No. of days
      4
      4
      3
      1
      3
      5
      3
      7
  • 107

    10
    mm
  • 349

    30
    mm
  • 379

    30
    mm
  • 319

    30
    mm
  • 32

    3
    mm
Question 6
6.
    • Following are the daily wages (in rupees) of labourers working in a factory. Identify the cumulative frequency of the given grouped data.
    • Wages (in rupees)
      200 - 230
      230 - 260
      260 - 290
      290 - 320
      320 - 350
      350 - 380
      Labourers
      2
      20
      15
      5
      7
      8
  • Wages (in rupees)
    Cumulative Frequency
    200 - 230
    2
    230 - 260
    22
    260 - 290
    42
    290 - 320
    47
    320 - 350
    54
    350 - 380
    62
  • Wages (in rupees)
    Cumulative Frequency
    200 - 230
    2
    230 - 260
    22
    260 - 290
    37
    290 - 320
    42
    320 - 350
    49
    350 - 380
    57
  • Wages (in rupees)
    Cumulative Frequency
    200 - 230
    2
    230 - 260
    10
    260 - 290
    25
    290 - 320
    30
    320 - 350
    37
    350 - 380
    57
  • Wages (in rupees)
    Cumulative Frequency
    200 - 230
    2
    230 - 260
    22
    260 - 290
    37
    290 - 320
    40
    320 - 350
    47
    350 - 380
    55
  • Wages (in rupees)
    Cumulative Frequency
    200 - 230
    2
    230 - 260
    17
    260 - 290
    37
    290 - 320
    42
    320 - 350
    49
    350 - 380
    57
Question 7
7.
    • Heights of 74 plants (in cm) are given below.
    • Identify the frequency distribution table for the given '
    • more than
    • ' ogive.
  • Height (in cm)
    60 - 67
    68 - 75
    76 - 83
    84 - 91
    92 - 99
    100 - 107
    108 - 115
    No. of plants
    7
    10
    14
    13
    9
    15
    10
  • Height (in cm)
    60 - 67
    68 - 75
    76 - 83
    84 - 91
    92 - 99
    100 - 107
    108 - 115
    No. of plants
    7
    10
    14
    9
    9
    15
    10
  • Height (in cm)
    60 - 67
    68 - 75
    76 - 83
    84 - 91
    92 - 99
    100 - 107
    108 - 115
    No. of plants
    7
    14
    10
    9
    9
    15
    10
  • Height (in cm)
    60 - 67
    68 - 75
    76 - 83
    84 - 91
    92 - 99
    100 - 107
    108 - 115
    No. of plants
    7
    10
    17
    9
    9
    15
    10
Question 8
8.
    • Identify the cumulative frequency of the given grouped data.
    • class interval
      21 - 28
      29 - 36
      37 - 44
      45 - 52
      53 - 60
      61 - 68
      frequency
      19
      24
      8
      19
      24
      15
  • class interval
    Cumulative Frequency
    21 - 28
    19
    29 - 36
    43
    37 - 44
    51
    45 - 52
    70
    53 - 60
    94
    61 - 68
    109
  • class interval
    Cumulative Frequency
    21 - 28
    19
    29 - 36
    43
    37 - 44
    51
    45 - 52
    74
    53 - 60
    98
    61 - 68
    113
  • class interval
    Cumulative Frequency
    21 - 28
    19
    29 - 36
    27
    37 - 44
    51
    45 - 52
    70
    53 - 60
    94
    61 - 68
    109
  • class interval
    Cumulative Frequency
    21 - 28
    19
    29 - 36
    34
    37 - 44
    42
    45 - 52
    61
    53 - 60
    85
    61 - 68
    109
  • class interval
    Cumulative Frequency
    21 - 28
    19
    29 - 36
    43
    37 - 44
    49
    45 - 52
    68
    53 - 60
    92
    61 - 68
    107
Question 9
9.
    • Scores of 72 students are given below.
    • Identify the frequency distribution table for the given '
    • median
    • ' ogive.
  • Score
    78 - 85
    85 - 92
    92 - 99
    99 - 106
    106 - 113
    No. of students
    19
    6
    19
    19
    9
  • Score
    78 - 85
    85 - 92
    92 - 99
    99 - 106
    106 - 113
    No. of students
    19
    19
    6
    19
    9
  • Score
    78 - 85
    85 - 92
    92 - 99
    99 - 106
    106 - 113
    No. of students
    19
    22
    6
    19
    9
  • Score
    78 - 85
    85 - 92
    92 - 99
    99 - 106
    106 - 113
    No. of students
    19
    9
    6
    19
    19
  • Score
    78 - 85
    85 - 92
    92 - 99
    99 - 106
    106 - 113
    No. of students
    19
    19
    8
    19
    9
Question 10
10.
    • Ages of 70 students (in years) are given below.
    • Identify the frequency distribution table for the given '
    • more than
    • ' ogive.
  • Age (in years)
    18 - 28
    28 - 38
    38 - 48
    48 - 58
    58 - 68
    68 - 78
    No. of students
    10
    7
    17
    13
    12
    9
  • Age (in years)
    18 - 28
    28 - 38
    38 - 48
    48 - 58
    58 - 68
    68 - 78
    No. of students
    10
    9
    17
    15
    12
    7
  • Age (in years)
    18 - 28
    28 - 38
    38 - 48
    48 - 58
    58 - 68
    68 - 78
    No. of students
    10
    7
    14
    15
    12
    9
  • Age (in years)
    18 - 28
    28 - 38
    38 - 48
    48 - 58
    58 - 68
    68 - 78
    No. of students
    10
    7
    17
    15
    12
    9
  • Age (in years)
    18 - 28
    28 - 38
    38 - 48
    48 - 58
    58 - 68
    68 - 78
    No. of students
    10
    17
    7
    15
    12
    9