Q2: The following values are recorded for the variables x and y are: x, = 1.5, x2= 3.5, x3= 0.7, x4 = 3.5, x5-3.9 and y: y, = 3.25, y2= 13.5, y3= 10.7, y4 = 2.5, y5-1.5 . Evaluate the following...

Extracted text: Q2: The following values are recorded for the variables x and y are: x, = 1.5, x2= 3.5, x3= 0.7, x4 = 3.5, x5-3.9 and y: y, = 3.25, y2= 13.5, y3= 10.7, y4 = 2.5, y5-1.5 . Evaluate the following Σxy,Σx" ν?,Σ x? ν, Σx y" , Σ (& - ?,Σ ψ- summations: y)? and Σxy-ny?χ? VE (v-y)²£ (x-x)² *