Find the mode of the following data:
Class-interval
Frequency
1 - 3
6
35
9
5-7
15
7 - 9
9
9 - 11
1
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LCM of 3,7 =21
3/7=9/21
2/3=14/21
Between 9/21 and 14/21 =10/21, 11/21, 12/21, 13/21
Now only 12/21 can be reduced
So, 12/21=4/7
Therefore, 4/7 lies between 3/7 and 2/3
Hope that helps
3/7=9/21
2/3=14/21
Between 9/21 and 14/21 =10/21, 11/21, 12/21, 13/21
Now only 12/21 can be reduced
So, 12/21=4/7
Therefore, 4/7 lies between 3/7 and 2/3
Hope that helps
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