Question

The class mark of the class interval 12.5 -25.5 is

Answer 1

Answer:

Step-by-step explanation:

12.5+25.5/2

38/2

19

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Answer 2

given

class interval = 12.5 - 25 .5

class marks = average of class intervals

class mark = 12.5 + 25.5/2

=38.0/2

=19

class mark = 19