Get another set of data of size more than 30 which has two attributes (for example, height and weight). Let Zi, i = 1, ..., n be the first attribute and yi, i = 1, ..., n be the second attribute. Obtain the following: (a) Calculate 1-(x; -7)(yi - y) 21-1(Xi ? 72 21-1(yi - y)2 (b) Interpret the answer in (a). Especially, state whether they exhibit a positive/negative/no correlation. Does the result coincide with your intuition? (e) Do the simple linear regression, i.e., obtain ? and ?. Interpret them. (d) Obtain SST, SSE and SSR. Calculate R.