CBSE Board Practice

Class VI Class VII Class VIII Class IX Class X
CBSE Grade IX - Statistics
Question 1
1.
    • Weights of 14 students (in kg) are given below. Find the mode weight.
      • 54
      • 45
      • 60
      • 55
      • 54
      • 40
      • 57
      • 59
      • 44
      • 51
      • 55
      • 57
      • 40
      • 40
  • 38
    kg
  • 41
    kg
  • 39
    kg
  • 40
    kg
  • 42
    kg
Question 2
2.
The air distance of some cities from Delhi (in km) are given below. Find the city that has minimum distance.
  • Cuttack
  • Visakhapatnam
  • Hubli
  • Vijayawada
  • Kanpur
Question 3
3.
    • Ages of 15 students (in years) are given below. Find the mode age.
      • 15
      • 15
      • 11
      • 13
      • 13
      • 14
      • 12
      • 11
      • 14
      • 12
      • 13
      • 11
      • 10
      • 13
      • 13
  • 13
    years
  • 12
    years
  • 15
    years
  • 14
    years
  • 11
    years
Question 4
4.
    • If the lower and upper limit of class interval are 17 and 23 respectively, then the class interval is
  • 16.5
    -
    23.5
  • 17
    -
    23
  • 17.5
    -
    22.5
  • 17
    -
    23.5
  • 16.5
    -
    23
Question 5
5.
Which of the following tables represent the given histogram with varying base widths
  • Height (in cm)
    128 - 148
    148 - 158
    158 - 188
    188 - 198
    No. of students
    3
    11
    7
    7
  • Height (in cm)
    128 - 148
    148 - 158
    158 - 188
    188 - 198
    No. of students
    6
    11
    6
    7
  • Height (in cm)
    128 - 148
    148 - 158
    158 - 188
    188 - 198
    No. of students
    6
    13
    11
    7
  • Height (in cm)
    128 - 148
    148 - 158
    158 - 188
    188 - 198
    No. of students
    3
    11
    4
    7
  • Height (in cm)
    128 - 148
    148 - 158
    158 - 188
    188 - 198
    No. of students
    6
    11
    11
    7
Question 6
6.
    • The scores obtained by 14 students in a test are given below. Find the minimum score.
      • 12
      • 7
      • 14
      • 11
      • 5
      • 16
      • 2
      • 11
      • 16
      • 6
      • 8
      • 20
      • 19
      • 11
  • 20
  • 2
  • 18
  • 11
    2
    7
  • 11
Question 7
7.
The marks obtained by Naveen in his annual exam are shown below. Find the subject that has 75 score.
  • Telugu
  • Mathematics
  • Sanskrit
  • French
  • English
Question 8
8.
    • Temperatures of 156 days (in °C) are given below.
    • Identify the class interval table for the given histogram and frequency polygon on the same graph.
  • Temperature (in degree)
    31 - 40
    41 - 50
    51 - 60
    61 - 70
    71 - 80
    81 - 90
    91 - 100
    101 - 110
    No. of days
    8
    44
    5
    22
    24
    21
    25
    7
  • Temperature (in degree)
    31 - 40
    41 - 50
    51 - 60
    61 - 70
    71 - 80
    81 - 90
    91 - 100
    101 - 110
    No. of days
    8
    44
    22
    5
    24
    21
    25
    7
  • Temperature (in degree)
    31 - 40
    41 - 50
    51 - 60
    61 - 70
    71 - 80
    81 - 90
    91 - 100
    101 - 110
    No. of days
    8
    44
    17
    5
    24
    21
    25
    7
  • Temperature (in degree)
    31 - 40
    41 - 50
    51 - 60
    61 - 70
    71 - 80
    81 - 90
    91 - 100
    101 - 110
    No. of days
    8
    7
    22
    5
    24
    21
    25
    44
  • Temperature (in degree)
    31 - 40
    41 - 50
    51 - 60
    61 - 70
    71 - 80
    81 - 90
    91 - 100
    101 - 110
    No. of days
    8
    44
    22
    5
    20
    21
    25
    7
Question 9
9.
    • The marks obtained by 15 students in a test are given below. Find their median marks.
      • 46
      • 4
      • 29
      • 38
      • 3
      • 12
      • 10
      • 24
      • 38
      • 10
      • 39
      • 2
      • 26
      • 39
      • 50
  • 28
  • 24
  • 25
  • 26
  • 27
Question 10
10.
    • The true lower limit and true upper limit of the class with frequency x is
    • Class-Interval
      Frequency
      17 - 22
      24
      23 - 28
      1
      29 - 34
      x
      35 - 40
      17
      41 - 46
      5
  • 29
    -
    34
  • 28.5
    -
    35
  • 28
    -
    34.5
  • 28.5
    -
    34.5
  • 28
    -
    35