SSC Board Practice

Class VI Class VII Class VIII Class IX Class X
SSC Grade IX - Statistics
Question 1
1.
    • The scores obtained by 10 students in a test are given below. Find the maximum score.
      • 16
      • 18
      • 15
      • 14
      • 10
      • 17
      • 8
      • 5
      • 3
      • 11
  • 15
  • 3
  • 18
  • 12
    1
    2
  • 11
    7
    10
Question 2
2.
    • Ages of 12 students (in years) are given below. Find the mode age.
      • 11
      • 10
      • 13
      • 11
      • 13
      • 10
      • 13
      • 15
      • 10
      • 13
      • 11
      • 13
  • 13
    years
  • 11
    years
  • 14
    years
  • 12
    years
  • 15
    years
Question 3
3.
    • The mean of
    • 10
    • numbers is
    • 5
      7
      10
    • .
    • Upon
    • adding
    • one number,
    • the mean becomes
    • 5
      6
      11
    • .
    • Find the
    • included
    • number.
  • 7
  • 2
  • 3
  • 5
  • 4
Question 4
4.
Find the median of all prime numbers between 20 and 90.
  • 58
  • 53
  • 56
  • 57
  • 55
Question 5
5.
    • Ages of 10 students are given below. Find the mean.
    • Age (in years)
      11
      12
      14
      15
      No. of students
      4
      2
      2
      2
  • 13
    years
  • 73
    5
    years
  • 68
    5
    years
  • 64
    5
    years
  • 63
    5
    years
Question 6
6.
    • The true lower limit and true upper limit of the class with frequency x is
    • Class-Interval
      Frequency
      35 - 43
      11
      44 - 52
      10
      53 - 61
      4
      62 - 70
      x
      71 - 79
      1
  • 61
    -
    71
  • 61.5
    -
    71
  • 61.5
    -
    70.5
  • 62
    -
    70
  • 61
    -
    70.5
Question 7
7.
    • Given class interval table, find the sum of frequencies.
    • Class-Interval
      32 - 39
      40 - 47
      48 - 55
      56 - 63
      64 - 71
      72 - 79
      80 - 87
      88 - 95
      Frequency
      5
      12
      18
      15
      2
      21
      20
      10
  • 103
  • 106
  • 102
  • 104
  • 100
Question 8
8.
    • Daily wages of 11 labourers (in ₹) are given below. Find the mode wage.
      • 387
      • 465
      • 308
      • 457
      • 485
      • 383
      • 384
      • 410
      • 498
      • 370
      • 308
  • ₹
    306.00
  • ₹
    308.00
  • ₹
    309.00
  • ₹
    307.00
  • ₹
    310.00
Question 9
9.
Find the median of the first 20 odd numbers.
  • 22
  • 20
  • 19
  • 18
  • 21
Question 10
10.
    • Identify the cumulative frequency of the given grouped data.
    • class interval
      50 - 57
      58 - 65
      66 - 73
      74 - 81
      82 - 89
      frequency
      8
      21
      10
      14
      12
  • class interval
    Cumulative Frequency
    50 - 57
    8
    58 - 65
    32
    66 - 73
    42
    74 - 81
    56
    82 - 89
    68
  • class interval
    Cumulative Frequency
    50 - 57
    8
    58 - 65
    29
    66 - 73
    35
    74 - 81
    49
    82 - 89
    61
  • class interval
    Cumulative Frequency
    50 - 57
    8
    58 - 65
    20
    66 - 73
    30
    74 - 81
    44
    82 - 89
    65
  • class interval
    Cumulative Frequency
    50 - 57
    8
    58 - 65
    18
    66 - 73
    39
    74 - 81
    53
    82 - 89
    65
  • class interval
    Cumulative Frequency
    50 - 57
    8
    58 - 65
    29
    66 - 73
    39
    74 - 81
    53
    82 - 89
    65