STATISTICS
1.. The
scores children in a class got in a test are listed below:
|
8
|
7
|
6
|
3
|
8
|
8
|
7
|
7
|
6
|
|
7
|
9
|
7
|
6
|
8
|
7
|
2
|
6
|
7
|
|
10
|
6
|
7
|
3
|
9
|
5
|
4
|
5
|
4
|
|
4
|
4
|
5
|
8
|
10
|
8
|
8
|
9
|
7
|
|
7
|
6
|
8
|
8
|
7
|
4
|
5
|
9
|
8
|
i.
What is the score got by the most number of
children?
ii.
How many children got 8 or more?
iii.
How many got less than 8?
iv.
How many children got 10?
2. There
are 44 children in class 8B. The list shows how far they come from, in kilometers.
|
6
|
1
|
5
|
1
|
5
|
2
|
11
|
2
|
9
|
3
|
4
|
|
2
|
9
|
7
|
5
|
8
|
5
|
12
|
14
|
6
|
2
|
7
|
|
7
|
2
|
3
|
4
|
6
|
9
|
1
|
4
|
6
|
6
|
9
|
|
12
|
6
|
4
|
4
|
5
|
5
|
9
|
7
|
7
|
3
|
3
|
|
|
|
|
|
|
|
|
|
|
|
|
Make a frequency table and answer these questions:
i.
How many children are from exactly 1 km away?
ii.
How many are from more than 5km?
iii.
How many are from between 5 and 10 km?
iv.
How many are from more than 10km?
3. The scores of 35 children in a test are given below:
|
15
|
10
|
18
|
11
|
19
|
16
|
15
|
17
|
14
|
18
|
13
|
15
|
|
17
|
16
|
15
|
14
|
15
|
17
|
14
|
15
|
13
|
16
|
11
|
11
|
|
16
|
20
|
13
|
12
|
10
|
16
|
17
|
13
|
12
|
14
|
12
|
|
Make a frequency table and answer
these questions:
i.
How many children scored 20?
ii.
How many children got score between 10 and 20?
iii.
How many scored less than 10?
iv.
What is the score most number of children got?
4. The weights of the members of the school health
club are given below; in kilograms. Make a frequency table.
|
38
|
37
|
40
|
59
|
48
|
48
|
37
|
58
|
50
|
54
|
|
39
|
40
|
40
|
49
|
32
|
43
|
45
|
53
|
37
|
44
|
|
51
|
50
|
32
|
46
|
55
|
36
|
44
|
47
|
42
|
33
|
5.
Given below are the highest temperatures (in
degree Celsius) one day in 40towns. Make a frequency table.
|
41
|
23
|
32
|
40
|
25
|
30
|
38
|
47
|
40
|
39
|
|
26
|
31
|
37
|
32
|
36
|
41
|
30
|
25
|
27
|
30
|
|
29
|
40
|
38
|
36
|
43
|
37
|
28
|
27
|
32
|
36
|
|
38
|
36
|
33
|
32
|
28
|
27
|
23
|
26
|
28
|
31
|
6.
The heights(in centimeters) of 45 people who
look part in a physical fitness test are given below. Make a frequency table.
|
160
|
145
|
168
|
156
|
168.4
|
170
|
163
|
177
|
143
|
|
175
|
169
|
154
|
163
|
176
|
160.3
|
164
|
150
|
168
|
|
166
|
148
|
154
|
159
|
164.5
|
165
|
155
|
148.2
|
158
|
|
174
|
169
|
168
|
165
|
170
|
141
|
172.7
|
179
|
167
|
|
171
|
159
|
167
|
171
|
165
|
171
|
167
|
162
|
171
|
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