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Class VI
Class VII
Class VIII
Class IX
Class X
SSC Grade VIII - Frequency Distribution Tables and Graphs
Question
1
1.
Given the sample data, prepare the class interval table in
inclusive
form with
1
as min value and a class size of
7
.
46
27
40
45
19
11
29
38
23
49
1
17
24
6
7
12
Class-Interval
1 - 8
8 - 15
15 - 22
22 - 29
29 - 36
36 - 43
43 - 50
Frequency
3
2
2
3
1
2
3
Class-Interval
1 - 7
8 - 14
15 - 21
22 - 28
29 - 35
36 - 42
43 - 49
Frequency
3
3
2
3
1
2
2
Class-Interval
1 - 7
8 - 14
15 - 21
22 - 28
29 - 35
36 - 42
43 - 49
Frequency
3
2
5
3
1
2
3
Class-Interval
1 - 7
8 - 14
15 - 21
22 - 28
29 - 35
36 - 42
43 - 49
Frequency
3
2
2
3
1
2
3
Question
2
2.
Given below is the column-graph showing heights of some mountain peaks. Find the mountain that has minimum height.
Nanda Devi
Appalachian
Kanchenjunga
Alps
Annapurna
Question
3
3.
Given frequency polygon showing the number of heart patients at various age groups, identify the class interval table.
Age (in years)
19 - 27
28 - 36
37 - 45
46 - 54
55 - 63
64 - 72
73 - 81
No. of heart patients
20
9
9
11
19
22
28
Age (in years)
19 - 27
28 - 36
37 - 45
46 - 54
55 - 63
64 - 72
73 - 81
No. of heart patients
20
28
9
15
19
22
9
Age (in years)
19 - 27
28 - 36
37 - 45
46 - 54
55 - 63
64 - 72
73 - 81
No. of heart patients
20
9
13
15
19
22
28
Age (in years)
19 - 27
28 - 36
37 - 45
46 - 54
55 - 63
64 - 72
73 - 81
No. of heart patients
20
9
9
15
19
22
28
Question
4
4.
The following cumulative frequency table represents which of the following frequency distribution
Class-Interval
Cumulative Frequency
38 - 48
11
48 - 58
27
58 - 68
40
68 - 78
49
78 - 88
56
Class-Interval
38 - 48
48 - 58
58 - 68
68 - 78
78 - 88
Frequency
11
16
11
9
7
Class-Interval
38 - 48
48 - 58
58 - 68
68 - 78
78 - 88
Frequency
11
16
13
9
7
Class-Interval
38 - 48
48 - 58
58 - 68
68 - 78
78 - 88
Frequency
11
7
13
9
16
Class-Interval
38 - 48
48 - 58
58 - 68
68 - 78
78 - 88
Frequency
11
13
16
9
7
Class-Interval
38 - 48
48 - 58
58 - 68
68 - 78
78 - 88
Frequency
11
12
13
9
7
Question
5
5.
Given class interval
26
-
32
in exclusive form, its
lower limit is
27
24
25
29
26
Question
6
6.
The observations of an ungrouped data are
x
1
,
x
2
,
2x
1
and
x
1
<
x
2
<
2x
1
.
If the mean and median of the data are equal to
12
,
find the observations of the data
9
,
12
,
18
16
,
12
,
32
8
,
12
,
16
12
,
12
,
20
Question
7
7.
There are certain creatures in a zoo. Find the type of creature that has maximum presense in the zoo.
Beast animals
Reptiles
Land animals
Birds
Water animals
Question
8
8.
Greater than cumulative curves are drawn using
upper boundaries of classes and less than cumulative frequencies
lower boundaries of classes and greater than cumulative frequencies
mid values of classes and greater than cumulative frequencies
upper boundaries of classes and greater than cumulative frequencies
Question
9
9.
Given below is the column-graph showing heights of some mountain peaks. Find the mountain that has maximum height.
Appalachian
Kilimanjaro
Nanga Parbat
Himadri
Mount Everest
Question
10
10.
Weights of 152 students (in kg) are given below.
Identify the class interval table for the given histogram.
Weight (in kg)
51 - 58
59 - 66
67 - 74
75 - 82
83 - 90
91 - 98
99 - 106
107 - 114
No. of students
30
24
16
13
15
8
21
22
Weight (in kg)
51 - 58
59 - 66
67 - 74
75 - 82
83 - 90
91 - 98
99 - 106
107 - 114
No. of students
30
24
14
13
18
8
21
22
Weight (in kg)
51 - 58
59 - 66
67 - 74
75 - 82
83 - 90
91 - 98
99 - 106
107 - 114
No. of students
30
22
16
13
18
8
21
24
Weight (in kg)
51 - 58
59 - 66
67 - 74
75 - 82
83 - 90
91 - 98
99 - 106
107 - 114
No. of students
30
24
13
16
18
8
21
22
Weight (in kg)
51 - 58
59 - 66
67 - 74
75 - 82
83 - 90
91 - 98
99 - 106
107 - 114
No. of students
30
24
16
13
18
8
21
22
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