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FIND THE MEAN OF THE DATA SET ROUND TO THE NEAREST TENTH IF NEED BE

15.8 14.9 16.7 17.6 13.4

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First add all the numbers in the data:

15.8 + 14.9 + 16.7 + 17.6 + 13.4 = 78.4

Divide by how many numbers are in the data set there is 5 so:

78.4 ÷ 5 = 15.7

The mean is 15.7

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