Question

If the mean of 9, 10, 15 , x, 6, 8 and 12 is 11. the median of the observation is is *


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Answer 1

The earth is made up of three different layers: the crust, the mantle and the core. This is the outside layer of the earth and is made of solid rock, mostly basalt and granite. There are two types of crust; oceanic and continental.

Answer 2

See the image and get the answer.