Ii Construct the cumulative frequency distribution. If there are an even number of elements then the median is an average of the N2th and N2 1th element. Median n12 th observation if n is odd.
Ungrouped Data to Find the Mean.
The median is determined by finding either the middle element in the data or the average of the middle two elements depending on whether there are an odd or even number of elements in the data. N Number of observations. To determine the median of ungrouped data with N elements one should first order the data from lowest to highest. Mean median and mode for ungrouped data Let x i i 1 2 n be n observations.