Lovely Lawns, Inc., intends to use sales of lawn fertilizer to predict lawn mower sales. The store manager estimates a probable six-week lag between fertilizer sales and mower sales. The pertinent data are: PeriodFertilizer Sales (tons)Number of Mowers Sold 11.610 21.38 31.811 42.012 52.212 61.69 71.58 81.37 91.710 101.26 111.911 121.48 131.710 141.69 Obtain a linear regression line for the above data, and use it to predict expected lawn mower sales. What percent (%) of the variation is in fact explained by the linear regression line