Math, asked by perfect5934, 10 months ago

The class mark of 20-25 is 5?

Answers

Answered by classofankur

1

Answer:

no, class mark means the mid point of the class. so here class mark will be 20 + 25 / 2

ie 45/2 = 22.5

5 is class interval

Step-by-step explanation:

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