Question

find the class mark of the class interval 60 and 80

Answer 1

Answer:

70

Step-by-step explanation:

Class Interval given 60 - 80

We know that

Class Mark = (Lower Limit + Upper Limit)/2

Class Mark of Given Class Interval

                 = (60 + 80)/2

                 = 140/2

                 = 70

Class Mark of 60 and 80 is 70

Answer 2

Answer:

70

Step-by-step explanation:

Given:

Lower limit = 60

upper limit = 80

To find: Class mark

Formula Used:  Class mark = (Lower limit + Upper limit)/2

Solution:

we know ,

class mark = lower + upper limit)/2

Now, putting the values

=> class mark =  (60 + 80)/2

=> class mark = 140/2

∴ class mark = 70

Hence, Class mark of 60 and 80 is 70. Ans

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