Lovely Lawns, Inc., intends to use sales of lawn fertilizer to predict lawn mower sales. The store manager estimates a

QUESTION:

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:

a. Determine the correlation between the two variables. Does it appear that a relationship between these variables will yield good predictions? Explain.

b. Obtain a linear regression line for the data.

c. Predict expected lawnmower sales for the first week in August, given fertilizer sales six weeks earlier of 2 tons.


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