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A) Draw ogives from the following data and measure the median value. Verify it by actual calculation
Central size
5
15
25
35
45
Frequency
11
21
16
10
B) Complete the following distribution if its median is 2600 and compute the value of arithmetic mean
Size
1000-1500
1500-2000
2000-2500
2500-3000
3500-4000
4500-5000
5000-6000
Total
120
?
400
500
50
20
1500
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