The following table gives information on the limited tread warranties (in thousands of miles) and the prices of 12 randomly selected tires at a national tire retailer as of July 2009. Warranty (thousands of 70 75 50 55 65 65 TO 65 65 miles) Price per tire (RM) IIIMHWH Taking warranty length as an independent variable and price per tire as a dependent variable. find the least square regression line. y = a + bx . (10 Marks) Question 10 The following table gives the height (in inches) of nine differently randomly selected seedlings at the end of a certain number of days after planting. Daysafterplanting,x 20 16 52 28 38 1O 32 24 4O Height,y 2'1 19 38 27 32 7 27 28 3? Compute the coefficient of correlation for the data and explain on the finding. (10 Marks)