the class mark of the interval is 45-55
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Answered by
1
Answer:
Hiiiiiii
The class mark is 50
Answered by
3
Answer:
the class mark of the interval is 45-55 is 50...
Step-by-step explanation:
formula = add moth digits and then divide by 2...
=45 + 55
=100 ÷ 2
=50
I thing it's helps you.....
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