Question

Find the class mark of 70 to 140

Answer 1

Answer:

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Answer 2

The class mark of 70 to 140 is given as follows

The class mark is the average of the given class interval.

The class mark is given as,

Class mark = ( Lower limit + Upper limit ) / 2

Given,

Lower limit = 70

Upper limit = 140

Class mark = ( 70 + 140 ) / 2

= 210 / 2

= 105

Therefore, the class mark of 70 to 140 is 105.