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SSC Board Practice
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Class VI
Class VII
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Class X
SSC Grade VIII - Frequency Distribution Tables and Graphs
Question
1
1.
Heights of 12 students (in cm) are given below. Find the mean height.
154
161
126
131
169
160
129
171
129
136
139
139
437
3
cm
436
3
cm
439
3
cm
146
cm
442
3
cm
Question
2
2.
Weights of 113 students (in kg) are given below.
Identify the frequency distribution table for the given '
less than
' ogive.
Weight (in kg)
45 - 54
54 - 63
63 - 72
72 - 81
81 - 90
90 - 99
99 - 108
No. of students
15
15
19
19
11
20
14
Weight (in kg)
45 - 54
54 - 63
63 - 72
72 - 81
81 - 90
90 - 99
99 - 108
No. of students
15
14
19
17
11
20
15
Weight (in kg)
45 - 54
54 - 63
63 - 72
72 - 81
81 - 90
90 - 99
99 - 108
No. of students
15
14
24
19
11
20
15
Weight (in kg)
45 - 54
54 - 63
63 - 72
72 - 81
81 - 90
90 - 99
99 - 108
No. of students
15
14
19
19
11
20
15
Weight (in kg)
45 - 54
54 - 63
63 - 72
72 - 81
81 - 90
90 - 99
99 - 108
No. of students
15
19
14
19
11
20
15
Question
3
3.
Heights of 168 plants (in cm) are given below.
Identify the class interval table for the given histogram.
Height (in cm)
62 - 72
72 - 82
82 - 92
92 - 102
102 - 112
112 - 122
No. of plants
16
15
42
8
44
43
Height (in cm)
62 - 72
72 - 82
82 - 92
92 - 102
102 - 112
112 - 122
No. of plants
16
42
43
8
44
15
Height (in cm)
62 - 72
72 - 82
82 - 92
92 - 102
102 - 112
112 - 122
No. of plants
16
43
47
8
44
15
Height (in cm)
62 - 72
72 - 82
82 - 92
92 - 102
102 - 112
112 - 122
No. of plants
16
43
42
8
44
15
Height (in cm)
62 - 72
72 - 82
82 - 92
92 - 102
102 - 112
112 - 122
No. of plants
16
43
42
6
44
15
Question
4
4.
Given the bar graph, find the maximum frequency
70
90
85
80
75
Question
5
5.
The class mark of the class with frequency x is
Class-Interval
Frequency
10 - 20
26
20 - 30
7
30 - 40
x
40 - 50
16
50 - 60
23
34
35
37
36
33
Question
6
6.
Less than cumulative curves are drawn using
lower boundaries of classes and greater than cumulative frequencies
mid values of classes and less than cumulative frequencies
upper boundaries of classes and less than cumulative frequencies
lower boundaries of classes and less than cumulative frequencies
Question
7
7.
Scores of 12 students are given below. Find the mode score.
90
86
72
72
88
79
77
75
70
74
78
72
72
70
73
71
74
Question
8
8.
The daily income of 45 workers of a factory is given below. Identify the frequency distribution table for the given less than ogive.
Daily income (in Rs)
less than 120
less than 140
less than 160
less than 180
less than 200
less than 220
No. of workers
7
12
19
28
38
48
Daily income (in Rs)
less than 120
less than 140
less than 160
less than 180
less than 200
less than 220
No. of workers
7
12
19
25
35
45
Daily income (in Rs)
less than 120
less than 140
less than 160
less than 180
less than 200
less than 220
No. of workers
7
17
24
30
40
45
Daily income (in Rs)
less than 120
less than 140
less than 160
less than 180
less than 200
less than 220
No. of workers
7
14
19
25
35
45
Daily income (in Rs)
less than 120
less than 140
less than 160
less than 180
less than 200
less than 220
No. of workers
7
12
15
21
31
41
Question
9
9.
Ages of 145 students (in years) are given below.
Identify the class interval table for the given frequency polygon.
Age (in years)
20 - 25
25 - 30
30 - 35
35 - 40
40 - 45
45 - 50
50 - 55
No. of students
12
21
20
14
18
33
27
Age (in years)
20 - 25
25 - 30
30 - 35
35 - 40
40 - 45
45 - 50
50 - 55
No. of students
12
20
16
14
18
33
27
Age (in years)
20 - 25
25 - 30
30 - 35
35 - 40
40 - 45
45 - 50
50 - 55
No. of students
12
20
21
9
18
33
27
Age (in years)
20 - 25
25 - 30
30 - 35
35 - 40
40 - 45
45 - 50
50 - 55
No. of students
12
20
21
14
18
33
27
Age (in years)
20 - 25
25 - 30
30 - 35
35 - 40
40 - 45
45 - 50
50 - 55
No. of students
12
27
21
14
18
33
20
Question
10
10.
Which of the following tables represent the given histogram with varying base widths
Weight (in kg)
59 - 69
69 - 79
79 - 109
109 - 129
129 - 149
149 - 179
No. of students
9
13
4
6
4
3
Weight (in kg)
59 - 69
69 - 79
79 - 109
109 - 129
129 - 149
149 - 179
No. of students
9
13
14
11
8
9
Weight (in kg)
59 - 69
69 - 79
79 - 109
109 - 129
129 - 149
149 - 179
No. of students
9
13
11
11
8
9
Weight (in kg)
59 - 69
69 - 79
79 - 109
109 - 129
129 - 149
149 - 179
No. of students
9
13
11
7
8
9
Weight (in kg)
59 - 69
69 - 79
79 - 109
109 - 129
129 - 149
149 - 179
No. of students
9
13
4
2
4
3
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