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ICSE Grade IX - Graphical Representation of Statistical Data
Question
1
1.
Rainfall of 147 days (in mm) are given below. Identify the class mark table for the given histogram.
Rainfall (in mm)
14
23
32
41
50
59
No. of days
18
17
26
17
20
44
Rainfall (in mm)
14
23
32
41
50
59
No. of days
18
31
17
17
20
44
Rainfall (in mm)
14
23
32
41
50
59
No. of days
18
44
31
17
20
17
Rainfall (in mm)
14
23
32
41
50
59
No. of days
18
17
31
17
20
44
Rainfall (in mm)
14
23
32
41
50
59
No. of days
18
17
31
22
20
44
Question
2
2.
Students of a certain locality use different modes of travel to school as given below. Find the mode of travel that has minimum students.
Scooter
Car
Bicycle
Auto
Moped
Question
3
3.
Identify the class interval table for the given frequency polygon.
Class-Interval
43 - 53
54 - 64
65 - 75
76 - 86
87 - 97
Frequency
13
49
14
43
20
Class-Interval
43 - 53
54 - 64
65 - 75
76 - 86
87 - 97
Frequency
13
20
14
43
49
Class-Interval
43 - 53
54 - 64
65 - 75
76 - 86
87 - 97
Frequency
13
14
49
43
20
Class-Interval
43 - 53
54 - 64
65 - 75
76 - 86
87 - 97
Frequency
13
45
14
43
20
Class-Interval
43 - 53
54 - 64
65 - 75
76 - 86
87 - 97
Frequency
13
49
11
43
20
Question
4
4.
Heights of 194 plants (in cm) are given below. Identify the class mark table for the given histogram.
Height (in cm)
69.5
77.5
85.5
93.5
101.5
109.5
No. of plants
48
26
15
45
20
40
Height (in cm)
69.5
77.5
85.5
93.5
101.5
109.5
No. of plants
48
15
26
45
20
40
Height (in cm)
69.5
77.5
85.5
93.5
101.5
109.5
No. of plants
48
40
15
45
20
26
Height (in cm)
69.5
77.5
85.5
93.5
101.5
109.5
No. of plants
48
26
15
49
20
40
Height (in cm)
69.5
77.5
85.5
93.5
101.5
109.5
No. of plants
48
26
19
45
20
40
Question
5
5.
Read the given column-graph. Find the month that has maximum rainfall.
August
October
July
November
September
Question
6
6.
The air distance of some cities from Delhi (in km) are given below. Find the city that has minimum distance.
Hyderabad
Chennai
Tirupati
Cuttack
Vijayawada
Question
7
7.
Ages of 121 students (in years) are given below. Identify the class mark table for the given histogram.
Age (in years)
22
30
38
46
54
62
No. of students
14
15
12
24
16
36
Age (in years)
22
30
38
46
54
62
No. of students
14
36
16
24
16
15
Age (in years)
22
30
38
46
54
62
No. of students
14
15
16
24
16
36
Age (in years)
22
30
38
46
54
62
No. of students
14
16
15
24
16
36
Age (in years)
22
30
38
46
54
62
No. of students
14
15
16
22
16
36
Question
8
8.
Ages of 151 students (in years) are given below.
Identify the class interval table for the given frequency polygon.
Age (in years)
20 - 27
27 - 34
34 - 41
41 - 48
48 - 55
No. of students
30
25
27
38
33
Age (in years)
20 - 27
27 - 34
34 - 41
41 - 48
48 - 55
No. of students
30
33
27
38
23
Age (in years)
20 - 27
27 - 34
34 - 41
41 - 48
48 - 55
No. of students
30
23
29
38
33
Age (in years)
20 - 27
27 - 34
34 - 41
41 - 48
48 - 55
No. of students
30
23
27
38
33
Age (in years)
20 - 27
27 - 34
34 - 41
41 - 48
48 - 55
No. of students
30
27
23
38
33
Question
9
9.
Given the number of doctors working in government hospitals in a city in various age groups. Identify the class interval table for the given histogram and frequency polygon on the same graph.
Age (in years)
35 - 40
40 - 45
45 - 50
50 - 55
55 - 60
60 - 65
65 - 70
No. of doctors
46
20
22
31
43
21
12
Age (in years)
35 - 40
40 - 45
45 - 50
50 - 55
55 - 60
60 - 65
65 - 70
No. of doctors
46
12
26
31
43
21
20
Age (in years)
35 - 40
40 - 45
45 - 50
50 - 55
55 - 60
60 - 65
65 - 70
No. of doctors
46
12
22
29
43
21
20
Age (in years)
35 - 40
40 - 45
45 - 50
50 - 55
55 - 60
60 - 65
65 - 70
No. of doctors
46
12
22
31
43
21
20
Age (in years)
35 - 40
40 - 45
45 - 50
50 - 55
55 - 60
60 - 65
65 - 70
No. of doctors
46
22
12
31
43
21
20
Question
10
10.
Identify the class interval table for the given histogram.
Weight (in kg)
22 - 27
28 - 33
34 - 39
40 - 45
46 - 51
52 - 57
No. of students
17
18
16
19
11
26
Weight (in kg)
22 - 27
28 - 33
34 - 39
40 - 45
46 - 51
52 - 57
No. of students
17
16
23
19
11
26
Weight (in kg)
22 - 27
28 - 33
34 - 39
40 - 45
46 - 51
52 - 57
No. of students
17
26
18
19
11
16
Weight (in kg)
22 - 27
28 - 33
34 - 39
40 - 45
46 - 51
52 - 57
No. of students
17
16
18
19
11
26
Weight (in kg)
22 - 27
28 - 33
34 - 39
40 - 45
46 - 51
52 - 57
No. of students
17
16
18
22
11
26
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