Question

cDwww-awn.aleks.com/alekscgi/x/Isl.exe/1o_u-IgNslkr7;8P3jH-Iv-6txjbo=MATHEMATICAL READINESSSummation of indexed dataThe following is a list of 15 measurements.-74, 60, -58,-1,-94, -36, -5, -47. -69, -4, -84, 51, 20, 20, 28Send datato ExcelSuppose that these 15 measurements are respectively labeled X1, X2, ..., X151518+.i=1X Х&?

Answer 1

Step 1:

We need to sum the 15 measurements given in the Excel file, from -74 to 28

Step 2:

Once we have that result , we should add 18

Step 3:

Let's recall that the symbol Σ (sigma) is generally used to denote a sum of multiple terms, in our exercise, the 15 measurements given and then add 18.