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Presentation of data — Statistics STD 11 Commerce — Question

Gujarat BoardEnglish MediumSTD 11 CommerceStatisticsPresentation of data1 Mark
Question
In a discrete frequency distribution the highest observation is $20$ and its cumulative frequency is $300$. What will be the total number of observations in that frequency distribution?
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Answer

In a given discrete frequency distribution the total number of observations will be $300. = 548-493 = 55$

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