EduSahara™ Assignment
Name : Histogram
Chapter : Data Handling
Grade : CBSE Grade VIII
License : Non Commercial Use
Question 1
1.
Identify the class interval table for the given histogram.
  • (i)
    Class-Interval
    124 - 127
    127 - 130
    130 - 133
    133 - 136
    136 - 139
    139 - 142
    Frequency
    15
    66
    122
    33
    115
    112
  • (ii)
    Class-Interval
    124 - 127
    127 - 130
    130 - 133
    133 - 136
    136 - 139
    139 - 142
    Frequency
    15
    122
    66
    35
    115
    112
  • (iii)
    Class-Interval
    124 - 127
    127 - 130
    130 - 133
    133 - 136
    136 - 139
    139 - 142
    Frequency
    15
    112
    122
    35
    115
    66
  • (iv)
    Class-Interval
    124 - 127
    127 - 130
    130 - 133
    133 - 136
    136 - 139
    139 - 142
    Frequency
    15
    66
    122
    35
    115
    112
  • (v)
    Class-Interval
    124 - 127
    127 - 130
    130 - 133
    133 - 136
    136 - 139
    139 - 142
    Frequency
    15
    66
    126
    35
    115
    112
Question 2
2.
In a study of heart patients, the following observations are obtained. Identify the class interval table for the given histogram.
  • (i)
    Age (in years)
    81 - 86
    86 - 91
    91 - 96
    96 - 101
    101 - 106
    106 - 111
    No. of Patients
    23
    44
    42
    45
    15
    49
  • (ii)
    Age (in years)
    81 - 86
    86 - 91
    91 - 96
    96 - 101
    101 - 106
    106 - 111
    No. of Patients
    23
    42
    49
    45
    15
    44
  • (iii)
    Age (in years)
    81 - 86
    86 - 91
    91 - 96
    96 - 101
    101 - 106
    106 - 111
    No. of Patients
    23
    49
    42
    43
    15
    44
  • (iv)
    Age (in years)
    81 - 86
    86 - 91
    91 - 96
    96 - 101
    101 - 106
    106 - 111
    No. of Patients
    23
    49
    40
    45
    15
    44
  • (v)
    Age (in years)
    81 - 86
    86 - 91
    91 - 96
    96 - 101
    101 - 106
    106 - 111
    No. of Patients
    23
    49
    42
    45
    15
    44
Question 3
3.
Identify the class interval table for the given histogram.
  • (i)
    Weight (in kg)
    33 - 37
    37 - 41
    41 - 45
    45 - 49
    49 - 53
    No. of students
    24
    18
    11
    10
    26
  • (ii)
    Weight (in kg)
    33 - 37
    37 - 41
    41 - 45
    45 - 49
    49 - 53
    No. of students
    24
    16
    16
    10
    26
  • (iii)
    Weight (in kg)
    33 - 37
    37 - 41
    41 - 45
    45 - 49
    49 - 53
    No. of students
    24
    18
    16
    10
    26
  • (iv)
    Weight (in kg)
    33 - 37
    37 - 41
    41 - 45
    45 - 49
    49 - 53
    No. of students
    24
    16
    18
    10
    26
  • (v)
    Weight (in kg)
    33 - 37
    37 - 41
    41 - 45
    45 - 49
    49 - 53
    No. of students
    24
    26
    16
    10
    18
Question 4
4.
Identify the class interval table for the given histogram.
  • (i)
    Class-Interval
    116 - 119
    119 - 122
    122 - 125
    125 - 128
    128 - 131
    131 - 134
    Frequency
    32
    51
    133
    43
    99
    81
  • (ii)
    Class-Interval
    116 - 119
    119 - 122
    122 - 125
    125 - 128
    128 - 131
    131 - 134
    Frequency
    32
    81
    131
    43
    99
    51
  • (iii)
    Class-Interval
    116 - 119
    119 - 122
    122 - 125
    125 - 128
    128 - 131
    131 - 134
    Frequency
    32
    81
    133
    43
    99
    51
  • (iv)
    Class-Interval
    116 - 119
    119 - 122
    122 - 125
    125 - 128
    128 - 131
    131 - 134
    Frequency
    32
    81
    133
    38
    99
    51
  • (v)
    Class-Interval
    116 - 119
    119 - 122
    122 - 125
    125 - 128
    128 - 131
    131 - 134
    Frequency
    32
    133
    81
    43
    99
    51
Question 5
5.
In a study of heart patients, the following observations are obtained. Identify the class interval table for the given histogram.
  • (i)
    Age (in years)
    88 - 91
    91 - 94
    94 - 97
    97 - 100
    100 - 103
    No. of Patients
    16
    16
    24
    11
    45
  • (ii)
    Age (in years)
    88 - 91
    91 - 94
    94 - 97
    97 - 100
    100 - 103
    No. of Patients
    16
    24
    16
    11
    45
  • (iii)
    Age (in years)
    88 - 91
    91 - 94
    94 - 97
    97 - 100
    100 - 103
    No. of Patients
    16
    45
    16
    11
    24
  • (iv)
    Age (in years)
    88 - 91
    91 - 94
    94 - 97
    97 - 100
    100 - 103
    No. of Patients
    16
    24
    13
    11
    45
  • (v)
    Age (in years)
    88 - 91
    91 - 94
    94 - 97
    97 - 100
    100 - 103
    No. of Patients
    16
    26
    16
    11
    45
Question 6
6.
Identify the class interval table for the given histogram.
  • (i)
    Weight (in kg)
    31 - 33
    33 - 35
    35 - 37
    37 - 39
    39 - 41
    41 - 43
    43 - 45
    45 - 47
    No. of students
    8
    21
    7
    5
    7
    28
    23
    27
  • (ii)
    Weight (in kg)
    31 - 33
    33 - 35
    35 - 37
    37 - 39
    39 - 41
    41 - 43
    43 - 45
    45 - 47
    No. of students
    8
    21
    5
    7
    7
    28
    23
    27
  • (iii)
    Weight (in kg)
    31 - 33
    33 - 35
    35 - 37
    37 - 39
    39 - 41
    41 - 43
    43 - 45
    45 - 47
    No. of students
    8
    21
    7
    5
    3
    28
    23
    27
  • (iv)
    Weight (in kg)
    31 - 33
    33 - 35
    35 - 37
    37 - 39
    39 - 41
    41 - 43
    43 - 45
    45 - 47
    No. of students
    8
    21
    12
    5
    7
    28
    23
    27
  • (v)
    Weight (in kg)
    31 - 33
    33 - 35
    35 - 37
    37 - 39
    39 - 41
    41 - 43
    43 - 45
    45 - 47
    No. of students
    8
    27
    7
    5
    7
    28
    23
    21
Question 7
7.
A histogram consists of
  • (i)
    rectangles
  • (ii)
    triangles
  • (iii)
    squares
  • (iv)
    sectors
Question 8
8.
The width of the rectangles in a histogram represents
  • (i)
    frequency of the class
  • (ii)
    mid values of the class
  • (iii)
    number of classes
  • (iv)
    class interval
Question 9
9.
In a histogram
  • (i)
    the lengths and widths of all rectangles are equal
  • (ii)
    the width of all rectangles are equal
  • (iii)
    the lengths of all rectangles are equal
  • (iv)
    the length and width of each rectangle are in proportion
    Assignment Key

  •  1) (iv)
  •  2) (v)
  •  3) (iii)
  •  4) (iii)
  •  5) (ii)
  •  6) (i)
  •  7) (i)
  •  8) (iv)
  •  9) (ii)