Question

what is the class mark of class-interval 50-60​

Answer 1

Answer:

55 IS THE CLASS MARK BECAUSE 50-60=10

AND 10/2= 5

Step-by-step explanation:

Answer 2

Answer:

In the interval 50-60, the lower limit is 50 and the upper limit is 60. We know that the class-mark is the average of limits of class-interval. Hence, the class mark of the interval 50-60 is 55 ...

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