A stock trader suspects that the share price (in S$) of Koko Ltd is affected by the volatility index (VIX). As such, he observed the share price of Koko Lid and VIX for five trading days and recorded the data. Month VIX (X) Koko Ltd (Y) 1 15.5 2.1 2 16.1 2.3 3 15.3 2.4 4 16.8 2.8 5 17.2 2.2 a) Determine the linear regression equation. (10 marks) b) (i) If the VIX is 16.3, what is the share price of Koko Ltd? (3 marks) (ii) If the VIX is 40.5, what is the share price of Koko Ltd? (2 marks) c) Determine the correlation coefficient and interpret the result