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Class Interval

The two conse...

Question

The two consecutive class marks of a distribution are $52$ and $57$ . Find the class limit of the two intervals.

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Solution

Class size $=$ Difference between consecutive class marks $=$ $57 - 52$
Lower class limit $= 52 - \frac{5}{2} = 49.5$

Upper class limit $= 52 + \frac{5}{2} = 54.5$

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