The median number of 1 through 9 is 5. Median is the middle number, while mean number is the numbers added together and divided by the number of numbers.
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The median is the number in the middle - same number of places from either left or right. You have 7 numbers, so median is the 4th from either side - the median is 9
If you have at least two numbers than you always have a median. If the number of numbers is odd (e.g. you have the number 1, 3, 7, 9, 52), then the median is the middle number when arranged in numerical order (in this example median is 7. If the number of numbers is even (e.g. you have the numbers 1, 3, 7, 9, 52, 103), the the median is the average of the two middle numbers (in this case the average of 7 and 9 which is 8).
The median of the set of all the whole numbers starting from 1 and ending with 9 is 5. The numbers are 1,2,3,4,5,6,7,8,9 and the median (middle number) is the number 5.
It is 26, the number halfway between them.
median of {5, 15, 9, 13} is 11 To find the median of a dataset sort the data into order and the median is the middle one; if there are an even number of items in the dataset, then the median is the mean average of the middle two. {5, 15, 9, 13} → {5, 9, 13, 15} There are 4 data items, → median is mean of {9, 13} = (9 + 13) / 2 = 11.