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Q: What is the average of 9 15 11 and 13?

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Average of 9 11 and 13 is 11.

Average: (13+9)/2 = 11

It is: 13+9+11 = 33 and 33/3 = 11 which is the mean average

Average = (9+13)/2 = 22/2 = 11

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.

The average is 13.

There are infinitely many possible answers. One such is {9, 10, 11, 13, 14, 15}.There are infinitely many possible answers. One such is {9, 10, 11, 13, 14, 15}.There are infinitely many possible answers. One such is {9, 10, 11, 13, 14, 15}.There are infinitely many possible answers. One such is {9, 10, 11, 13, 14, 15}.

13

The average is 15.

1, 3, 5, 7, 9, 11, 13, 15, 17, 19. 1, 3, 5, 7, 9, 11, 13, 15, 17, 19. 1, 3, 5, 7, 9, 11, 13, 15, 17, 19. 1, 3, 5, 7, 9, 11, 13, 15, 17, 19.

16

10 7 11 12 9 13 14 11 15 16 13 17 18 15 19 20...

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