please answer for a,b,c,d

(c) [2 marks] Develop the estimated regression equation that could be used to predict the percentage gain in options value. (Round your numerical values to three decimal places.) (d) [1 mark] Provide an interpretation for the slope of the estimated regression equation. Company Stock Stock % Options Options % Gain Price Price Increase and and in 2009 2011 in Stock Grants Grants Options Price Value Value Value 2009 2011 Ford Motor 2.63 15.58 492 16 202.8 ' 1168 ' Abercrombie & 23.8 70.47 196 46.2 196.1 324 Fitch _ _ Nabors Industries 9.99 32.06 221 37.2 132.2 255 Starbucks 9.99 32.06 221 12.4 75.9 , 512 Salesforce.com 32.73 137.61 320 7.8 67 759 Starwood Hotels 12.7 60.28 375 5.8 57.1 _ 884 _ Caterpillar 27.96 111.94 300 4 47.5 1088 Oracle 18.07 34.97 94 61.9 97.5 _ 58 _ Capital One 12.24 54.61 346 6 40.6 577 Dow Chemical 8.43 _ 39.97 _ 374 _ 5 _ 38.8 _ 676 _ (a) [1 mark] Develop a scatter diagram with the % increase in the stock price on the horizontal axis and the % gain in options value on the vertical axis. (b) [1 mark] What does the scatter diagram developed in part (a) indicate about the relationship between the two variables