SSC Board Practice

Class VI Class VII Class VIII Class IX Class X
SSC Grade X - Statistics
Question 1
1.
    • The following cumulative frequency table represents which of the following frequency distribution
    • Class-Interval
      Cumulative Frequency
      25 - 34
      7
      34 - 43
      22
      43 - 52
      33
      52 - 61
      41
      61 - 70
      47
      70 - 79
      56
  • Class-Interval
    25 - 34
    34 - 43
    43 - 52
    52 - 61
    61 - 70
    70 - 79
    Frequency
    7
    15
    7
    8
    6
    9
  • Class-Interval
    25 - 34
    34 - 43
    43 - 52
    52 - 61
    61 - 70
    70 - 79
    Frequency
    7
    11
    15
    8
    6
    9
  • Class-Interval
    25 - 34
    34 - 43
    43 - 52
    52 - 61
    61 - 70
    70 - 79
    Frequency
    7
    15
    11
    4
    6
    9
  • Class-Interval
    25 - 34
    34 - 43
    43 - 52
    52 - 61
    61 - 70
    70 - 79
    Frequency
    7
    9
    11
    8
    6
    15
  • Class-Interval
    25 - 34
    34 - 43
    43 - 52
    52 - 61
    61 - 70
    70 - 79
    Frequency
    7
    15
    11
    8
    6
    9
Question 2
2.
    • Temperatures of 84 days (in °C) are given below.
    • Identify the frequency distribution table for the given '
    • median
    • ' ogive.
  • Temperature (in degree)
    30 - 40
    40 - 50
    50 - 60
    60 - 70
    70 - 80
    80 - 90
    90 - 100
    100 - 110
    No. of days
    10
    9
    6
    16
    7
    19
    10
    7
  • Temperature (in degree)
    30 - 40
    40 - 50
    50 - 60
    60 - 70
    70 - 80
    80 - 90
    90 - 100
    100 - 110
    No. of days
    10
    9
    6
    16
    4
    19
    10
    7
  • Temperature (in degree)
    30 - 40
    40 - 50
    50 - 60
    60 - 70
    70 - 80
    80 - 90
    90 - 100
    100 - 110
    No. of days
    10
    7
    6
    16
    7
    19
    10
    9
  • Temperature (in degree)
    30 - 40
    40 - 50
    50 - 60
    60 - 70
    70 - 80
    80 - 90
    90 - 100
    100 - 110
    No. of days
    10
    9
    16
    6
    7
    19
    10
    7
  • Temperature (in degree)
    30 - 40
    40 - 50
    50 - 60
    60 - 70
    70 - 80
    80 - 90
    90 - 100
    100 - 110
    No. of days
    10
    9
    9
    16
    7
    19
    10
    7
Question 3
3.
    • Scores of 15 students are given below. Find the mean.
    • Score
      70
      72
      77
      78
      79
      81
      85
      88
      No. of students
      2
      2
      1
      2
      1
      1
      3
      3
  • 1198
    15
  • 1226
    15
  • 1211
    15
  • 399
    5
  • 1196
    15
Question 4
4.
    • Rainfall of 21 days are given below. Find the mode.
    • Rainfall (in mm)
      5
      6
      7
      8
      9
      10
      11
      12
      14
      15
      No. of days
      1
      4
      1
      2
      1
      1
      6
      2
      2
      1
  • 12
    mm
  • 9
    mm
  • 11
    mm
  • 10
    mm
  • 13
    mm
Question 5
5.
    • Temperatures of 56 days (in °C) are given below.
    • Identify the frequency distribution table for the given '
    • less than
    • ' ogive.
  • Temperature (in degree)
    25 - 34
    35 - 44
    45 - 54
    55 - 64
    65 - 74
    No. of days
    7
    13
    19
    9
    12
  • Temperature (in degree)
    25 - 34
    35 - 44
    45 - 54
    55 - 64
    65 - 74
    No. of days
    7
    9
    19
    9
    12
  • Temperature (in degree)
    25 - 34
    35 - 44
    45 - 54
    55 - 64
    65 - 74
    No. of days
    7
    12
    19
    9
    9
  • Temperature (in degree)
    25 - 34
    35 - 44
    45 - 54
    55 - 64
    65 - 74
    No. of days
    7
    9
    22
    9
    12
  • Temperature (in degree)
    25 - 34
    35 - 44
    45 - 54
    55 - 64
    65 - 74
    No. of days
    7
    19
    9
    9
    12
Question 6
6.
    • The following table shows the weights of
    • 76
    • persons in a group.
    • Find the
    • median weight.
    • Weight (in kg)
      40 - 48
      48 - 56
      56 - 64
      64 - 72
      72 - 80
      No. of persons
      8
      20
      18
      19
      11
  • 553
    9
    kg
  • 545
    9
    kg
  • 544
    9
    kg
  • 562
    9
    kg
  • 182
    3
    kg
Question 7
7.
    • The following frequency distribution table gives
    • the monthly consumption of electricity of
    • 61
    • consumers in a locality.
    • Find the
    • mean units.
    • Monthly consumption (in units)
      78 - 98
      98 - 118
      118 - 138
      138 - 158
      158 - 178
      No. of consumers
      13
      14
      13
      16
      5
  • 7650
    61
    units
  • 7589
    61
    units
  • 7529
    61
    units
  • 7530
    61
    units
  • 7528
    61
    units
Question 8
8.
    • Temperatures of 15 days are given below. Find the mean.
    • Temperature (in degree C)
      26
      28
      29
      30
      31
      32
      33
      34
      35
      No. of days
      3
      1
      2
      2
      1
      3
      1
      1
      1
  • 156
    5
    °C
  • 151
    5
    °C
  • 161
    5
    °C
  • 153
    5
    °C
  • 152
    5
    °C
Question 9
9.
    • The marks obtained by 64 students of a class in an examination is given below. Calculate the mean mark correct to 2 decimal places.
    • Marks
      less than 20
      less than 25
      less than 30
      less than 35
      less than 40
      less than 45
      less than 50
      No. of students
      10
      19
      29
      39
      48
      55
      64
  • 28.88
  • 31.88
  • 34.88
  • 36.88
  • 26.88
Question 10
10.
    • Identify the frequency distribution table for the given '
    • median
    • ' ogive.
  • Class-Interval
    14 - 22
    22 - 30
    30 - 38
    38 - 46
    46 - 54
    Frequency
    6
    12
    14
    12
    13
  • Class-Interval
    14 - 22
    22 - 30
    30 - 38
    38 - 46
    46 - 54
    Frequency
    12
    6
    7
    12
    8
  • Class-Interval
    14 - 22
    22 - 30
    30 - 38
    38 - 46
    46 - 54
    Frequency
    9
    18
    1
    9
    20
  • Class-Interval
    14 - 22
    22 - 30
    30 - 38
    38 - 46
    46 - 54
    Frequency
    20
    11
    20
    5
    20
  • Class-Interval
    14 - 22
    22 - 30
    30 - 38
    38 - 46
    46 - 54
    Frequency
    11
    19
    10
    8
    13