median

Median is the value which occupies the middle position when all the observations are arranged in an ascending or descending order.

  • It is a positional average. ![[Screenshot_2024-10-24-07-46-16-200_com.adobe.reader-edit.jpg]] Median-Ungrouped Frequency Distribution

![[Screenshot_2024-10-24-07-51-14-128_com.adobe.reader-edit.jpg]]

Median - Grouped Frequency Distribution

![[Screenshot_2024-10-24-07-53-11-748_com.adobe.reader-edit.jpg]] Where

  • l = Lower limit of the median class
  • f = Frequency of the median class
  • c = Width of the median class
  • N = The total frequency - Σf
  • m = cumulative frequency of the class preceeding the median class