Five pairs of data values are shown below. (a) Complete the table below. (b) Find the standard deviation of ( y ). [ sigma_{y}= ext { Std. dev. of } y=left[(1 /(N-1)) sumleft(y_{n}-ar{y} ight)^{2} ight]^{1 / 2} ] [ sigma_{y}= ] (c) Find the correlation coefficient.

1. Five pairs of data values are shown below. (a) Complete the table below. 2135200 Y 2 4 5 7 4 8 00 8 mean xx yx xxy (b) Find the standard deviation of y. Oy Std. dev. of y = [(1/(N-1)) (yn-y)] 1/2 (c) Find the correlation coefficient. r = V - 7 (3) Oy-