2.) The following data pertains to the chlorine residual in a swimming pool at various times after it has been treated with chemicals: Number of Chlorine residual hours (parts per million) 1.8 1.5 1.4 1.1 10 0.9 a.) Show all 3 remaining columns (x', y?, xy ) and all 5 column totals needed above. b.) Find the value of SS(x). c.) Find the value of SS(y). d.) Find the value of SS(xy). e.) Determine the correlation coefficient. f.) Determine the equation of the line of best fit. g.) Using the equation, determine the chlorine residual 5 1/2 hours after treatment. h.) Using the equation, determine how many hours it takes for the chlorine residual to be zero