aglover101 aglover101

27-04-2015
Mathematics

Answered

. For which set of data is the mean 8.1?
6.6, 7.5, 8.1, 9.2, 9.8
8.1, 8.1, 8.7, 8.8, 9.9
4.2, 6.7, 8.1, 5.5, 9.1
8.5, 8.0, 8.0, 9.0, 7.0

Answer :

27-04-2015

The mean is 8.1 for the set (8.5, 8.0, 8.0, 9.0, 7.0)
You can do this by adding all these numbers together and diving that answer by how many numbers there are (in this case 5).

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real51madrid07 real51madrid07

27-04-2015

To find the mean you add all the numbers and then divide by how many there are ( in this case 5)

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