help! please

V The following is a list of 11 measurements. 27, 82, -2, 89, -67, 65, 83, 86, 19, 35, 23 Sen d data to Equal P Suppose that these 11 measurements are respectively labeled x1, 12' ..., x\". (Thus, 27 is labeled x], 82 is labeled x2, and so on.) Compute the following. a 11 -22+ 2 xi i=1 Em x O o I