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Where can I find the median PET?
You can extract the PET times chart and calculate the median for total, admitted, and non-admitted.
How to find the median of a set of numbers?Let's show an example of a step-by-step solution for a dataset with the following 15 values:
58, 47, 55, 6, 5, 14, 60, 3, 39, 6, 28, 15, 87, 31, 19
Sorting the numbers, we get:
3, 5, 6, 6, 14, 15, 19, 28, 31, 39, 47, 55, 58, 60, 87
There are 15 values, so using the formula (n + 1) / 2 and using n = 15, we find that we need the 8th number in the sorted dataset. So the median is 28.
Another dataset has 16 values:
71, 71, 5, 18, 98, 23, 53, 92, 74, 82, 65, 74, 97, 75, 87, 13
Sort them to get:
5, 13, 18, 23, 53, 65, 71, 71, 74, 74, 75, 82, 87, 92, 97, 98
Using the formula for the median, when there is an even number of values, we need to take the mean value of the n/2'th and (n+2)/2'th values. So that's the 8th and 9th values, which are 71 and 74, respectively. Then we need to take the mean of these values: (71 + 74) / 2 = 145 / 2 = 72.5. So the median is 72.5.