Problem 3-27 (Static) 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: Fertilizer Sales Period (tons) 1 1.6 2 1.3 3 1.8 4 2.0 5 2.2 6 1.6 7 1.5 Number of Mowers Sold (six-week lag) 10 8 11 12 12 9 8 r= Period 8 9 10 11 12 13 14 Fertilizer Sales (tons) 1.3 1.7 1.2 1.9 1.4 1.7 1.6 , it appears that a Number of Mowers Sold (six-week lag) positive 7 10 6 11 Click here for the Excel Data File a. Determine the correlation between the two variables. Does it appear that a relationship exists between these variables will yield good predictions? (Do not round intermediate calculations and round your answer to 3 decimal places.) 8 10 9 relationship exists between these variables.

Lovely Lawns, Inc, intends to use sales of lawn fertilizer to predict lawn mower soles. The store manager estimates a probable sixweek lag between fertilizer sales and mower sales. The pertinent data are: Click here for the Excel Data File a. Determine the correlation between the two variables. Does it appear that a relationship exists between these yariables will yield good predictions? (Do not round intermediate calculations and round your answer to 3 decimal places.) b. Obtain a linear regression line for the data. (Negative values should be indicated by a minus sign. Do not round intermediate calculations and round your answers to 3 decimal places. c. Predict expected lewn mower sales for the first week in August, given fectider sales six weeks eaclier of 2 tons. (Round your answer to the nearest whole number.)