মধ্যক শ্রেণির মধ্যমান নির্ণয়। পরিসংখ্যান।Determination of median class midpoint.

Описание: The class in which half of the total frequency of a categorical data is located is the median class of that data. The average value of the lower limit and upper limit of the class is the median or midpoint of the median class.
In order to find the median of the median class, first the sorted cumulative frequency and half of the total frequency must be determined, then the sorted cumulative frequency must be used to identify the class in which half of the total frequency is located. The class in which half of the total frequency is located will be the median class. The median or midpoint of the middle class can be determined by dividing the sum of the upper and lower limits of the class by two.

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