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23-03-2017
Mathematics

contestada

find the mean of the following data:

9,15,17,18,6,20,8,5,18,18,10,5,14,12,10,7

A. 15
B. 12
C. 11
D. 18

Respuesta :

23-03-2017

Mean is adding all them up and then dividing by how many there are. the answer is 12

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