help not using excel

Styles 5. 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 Number of Sales Mowers Sold Period (six-week lag) (tons) 1.9 12 1.6 10 3 2.1 13 2.3 14 2.5 14 1.9 11 1.8 10 8. 1.6 9. 12 10 1.5 11 2.2 13 12 1.7 10 13 2. 12 14 1.9 11 Determine the correlation between the two variables. Does it appear that a relationship between these variables will yield reasonable predictions? Explain. Obtain a linear regression line for the data. Predict expected lawn mower sales for the first week in August, given fertilizer sales six weeks earlier of 2 a. b. C. tons. 6