ICSE Class 10 Answered
Marks scored by 160 students in an examination are as follows:
Marks
0-10
10-20
20-30
30-40
40-50
50-60
60-70
70-80
No. of students
12
20
30
38
14
16
12
8
Draw an ogive for the given distribution and estimate the following:
a)Lower Quartile
b)Upper Quartile
Asked by Topperlearning User | 07 Nov, 2017, 12:51: PM
Expert Answer
|
C.I. |
0-10 |
10-20 |
20-30 |
30-40 |
40-50 |
50-60 |
60-70 |
70-80 |
|
Frequency |
12 |
20 |
30 |
38 |
24 |
16 |
12 |
8 |
|
Cumulative Frequency |
12 |
32 |
62 |
100 |
124 |
140 |
152 |
160 |
On a graph paper, plot the points (0,0), (10, 12), (20, 32), (30, 62), (40, 100), (50, 124), (60, 140), (70, 152) and (80, 160) and draw an ogive as shown below:
Answered by | 07 Nov, 2017, 02:51: PM
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