CBSE Class 10 Answered
Compute the median for the following data:
Marks (more than or equal to)
Number of students
80
150
90
141
100
124
110
105
120
60
130
27
140
12
150
0
Asked by Topperlearning User | 10 Apr, 2014, 01:40: PM
Expert Answer
First prepare the cumulative frequency table:
|
Marks
|
No. of students
|
Cumulative frequency
|
|
80 - 90
|
150 – 141 = 9
|
9
|
|
90 – 100
|
141 – 124 = 17
|
9 +17 = 26
|
|
100 - 110
|
124 – 105 = 19
|
26 +19 = 45
|
|
110 - 120
|
105 – 60 = 45
|
45 + 45 = 90
|
|
120 -130
|
60 – 27 = 33
|
90 + 33 = 123
|
|
130 – 140
|
27 – 12 = 15
|
123 + 15 = 138
|
|
140 -150
|
12- 0 = 12
|
138 + 12 =150
|
Answered by | 10 Apr, 2014, 03:40: PM
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