The following is a list of 14 measurements. 8, -13, -3, 47, -47, 37, 69, -52, -28, 23, 27, 58, -42, 80 Send data to calculator Suppose that these 14 measurements are respectively labeled x₁, X2, ..., X14 (Thus, 8 is labeled x₁, -13 is labeled x₂, and so on.) Compute the following. 14 Σ i=1 Round your answer to at least two decimal places. X₁ 18 X S

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