In an effort to determine whether any correlation exists between the prices of stocks of airlines, an analyst sampled six days of activity of the stock market. Using the following prices of Delta stock and South-west stock, compute correlation. Stock prices have been rounded off to the nearest tenth for ease of computation. Delta Southwest 47.6 15.1 46.3 15.4 50.6 15.9 52.6 15.6 52.4 16.4 52.7 18.1 b) Generate a linear regression equation of X on Y and Y on X both. c) What is regression coefficient and conclude its meaning for each case individually.