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Mathematics 12 Online
OpenStudy (anonymous):

What is the mean of this data? 8 12 15 11 12 14 10 9 The median is 11. The mean is 11.375. The median is 11.5. The median is 12.

OpenStudy (anonymous):

take sum / divide by # of items or you can say that there are this set is split 4 to 4 and the middle of 11 and 12 is 11.5

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