E Summation of indexed data
The following is a list of 14 measurements.
47.36, 78, -72, -42, 67, -83, 10,95, 40, -28, 22.-3.12
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Suppose that these 14 measurements are respectively labeled X1, X2,
*14. (Thus, 47 is labeled X1,36 is labeled x2, and
14
X;
E
43
i=1
Round your answer to at least two decimal places.
?