Question

plzzz give the difference between class interval class mark as class size.

Answer 1

class limits of 10 - 20 class intervals in the exclusive form are 10 and 20. ... Thus, class limits of 10 - 20class interval in the inclusive form are 9.5 - 20.5.
 Class size: Difference between the true upper limit and true lower limit of a class interval is called the class size.
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