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16-02-2017
Mathematics

contestada

The mean for this set of data is 95 what is the missing number
103,99,90,86,105,96,__

Respuesta :

25-03-2017

The mean is just the arithmetic average:

(103+99+90+86+105+96+x)/7=95

(579+x)/7=95

579+x=665

x=86

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