What is the mean of the following set of data?{1, 4, 7, 5, 3, 3, 5}

Add the seven values: 1 + 4 + 7 + 5 + 3 + 3 + 5 = 28. Divide the sum by the 7 data values: 28 ÷ 7 = 4. The mean is 4.0, choice A.

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