Question

Find the class-mark of the class 35-40.

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Answer 1

Answer:

$class \: mark = \frac{lower \: limit + upper \: limit}{2} \\ = \frac{35 + 40}{2} = \frac{75}{2} \bold{= 37.5} \\ hope \: it \: helps \: u...$

Answer 2

Answer:

Since, 35+40/2=37.5

So, the class-mark of the class 35-40 is 37.5