Median
To find the median, order the list according to its elements' magnitude and then repeatedly remove the pair consisting of the highest and lowest values until either one or two values are left. If exactly one value is left, it is the median; if two values, the median is the arithmetic mean of these two. This method takes the list 1, 7, 3, 13 and orders it to read 1, 3, 7, 13. Then the 1 and 13 are removed to obtain the list 3, 7. Since there are two elements in this remaining list, the median is their arithmetic mean, (3 + 7)/2 = 5. Now do the same for the equal-sized list consisting of all the same value M: M, M, M, M. It is already ordered. We remove the two end values to get M, M. We take their arithmetic mean to get M. Finally, set this result equal to our previous result to get M = 5.
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Finding The Median Of A Data Set Video Clip
Finding The Median Of A Data Set
Video Clip Length: 2 minutes 17 seconds
Video Clip Views: 13654
This tutorial will be able to show you how to find the median of a given data set. It is important to know that placing the numbers in least to greatest will greatly help you figure your median. A median is the exact middle or the number that lies in the middle of your data set. To figure it out in a odd numbered set, it will be an exact number in the set, but if it is an even numbered set, then you must find the average of the two numbers in the middle.
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