SSC Board Practice

Class VI Class VII Class VIII Class IX Class X
SSC Grade IX - Statistics
Question 1
1.
    • The marks obtained by 13 students in a test are given below. Find the mean of their marks when the marks of each student is doubled.
      • 18
      • 3
      • 22
      • 48
      • 13
      • 34
      • 33
      • 9
      • 8
      • 12
      • 6
      • 44
      • 40
  • 492
    11
  • 580
    13
  • 668
    15
  • 578
    13
  • 582
    13
Question 2
2.
The following bar graph gives data regarding the favourite sport of 405 students of a school. Identify the table for the given bar diagram.
  • Sport
    shotput
    football
    chess
    kabaddi
    wrestling
    badminton
    volleyball
    No. of students
    45
    108
    72
    63
    54
    36
    27
  • Sport
    shotput
    football
    chess
    kabaddi
    wrestling
    badminton
    volleyball
    No. of students
    54
    36
    45
    27
    72
    63
    108
  • Sport
    shotput
    football
    chess
    kabaddi
    wrestling
    badminton
    volleyball
    No. of students
    54
    108
    45
    72
    27
    36
    63
  • Sport
    shotput
    football
    chess
    kabaddi
    wrestling
    badminton
    volleyball
    No. of students
    45
    54
    72
    27
    63
    36
    108
  • Sport
    shotput
    football
    chess
    kabaddi
    wrestling
    badminton
    volleyball
    No. of students
    108
    63
    54
    36
    27
    72
    45
Question 3
3.
    • Given class interval
    • 46
    • -
    • 55
    • in exclusive form, its
    • upper limit is
  • 55
  • 58
  • 56
  • 53
  • 54
Question 4
4.
Find the mean of all prime numbers between 50 and 90.
  • 775
    11
  • 211
    3
  • 495
    7
  • 637
    9
  • 635
    9
Question 5
5.
Find the median of the first 15 odd numbers.
  • 17
  • 16
  • 12
  • 15
  • 14
Question 6
6.
    • If some random sample data is arranged in a frequency distribution table in
    • inclusive form
    • with
    • 1
    • -
    • 8
    • as the first class,
    • then the observation
    • 29
    • falls in which class?
  • 25
    -
    32
  • 24.5
    -
    32.5
  • 26
    -
    33
  • 24
    -
    31
  • 25.5
    -
    31.5
Question 7
7.
    • Daily wages of 15 labourers (in ₹) are given below. Find the median wage.
      • 481
      • 328
      • 385
      • 342
      • 361
      • 312
      • 356
      • 499
      • 414
      • 334
      • 330
      • 321
      • 407
      • 439
      • 404
  • ₹
    360.00
  • ₹
    362.00
  • ₹
    359.00
  • ₹
    361.00
  • ₹
    363.00
Question 8
8.
    • The class mark of the class with frequency x is
    • Class-Interval
      Frequency
      1 - 6
      29
      7 - 12
      x
      13 - 18
      1
      19 - 24
      22
      25 - 30
      18
  • 19
    2
  • 10
  • 17
    2
  • 37
    4
  • 21
    2
Question 9
9.
    • Given class interval
    • 42
    • -
    • 47
    • in exclusive form, its
    • lower limit is
  • 45
  • 43
  • 41
  • 40
  • 42
Question 10
10.
The arithmetic mean of a + 2, a, and a - 2 is
  • a - 2
  • a
  • a + 2
  • 3a