The mean of the numbers 1.2, 1.0, 0.9, 1.4, 0.8, 0.8, 1.2 and 1.1 is
The correct answer is E. 1.05
The mean of a set of numbers is calculated by adding all the numbers and dividing by the number of numbers in the set. In this case, the sum of the numbers is 1.2 + 1.0 + 0.9 + 1.4 + 0.8 + 0.8 + 1.2 + 1.1 = 8.4 and there are `8` numbers in the set, so the mean is 8.4 / 8 = 1.05
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