Question

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Answer 1

Answer:

25

Step-by-step explanation:

Here, N = 66.

N

2 33, which lies in the interval

10-15.

So, the lower limit of the median class

is 10.

The highest frequency is 20, which lies

in the interval 15-20.

Therefore, the lower limit of Modal

class is 15.

So, the required sum is 10+ 15 = 25.