What is class boundary? Is it same as class limit? How to calculate class boundary for exclusive type of data

Dear Student
Answer) In class boundary, the upper extreme value of the first class interval and the lower extreme value of the next class interval will be equal.
Upper class boundary = Lowest class boundary + width × number of classes.
No, both are not same. In class limit, the upper extreme value of the first class interval and the lower extreme value of the next class interval will not be equal. 

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