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: Period 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Fertilizer Sales 1.6 1.3 1.8 2.0 2.2 1.5 1.6 1.4 1.5 1.1 1.9 1.4 1.6 1.7 Number of Mowers Sold 10 9 12 13 14 10 11 9 11 7 13 10 11 13 a. Determine the correlation between the two variables. (Round your answer to four decimal points.) Correlation Coefficient
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: Period 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Fertilizer Sales 1.6 1.3 1.8 2.0 2.2 1.5 1.6 1.4 1.5 1.1 1.9 1.4 1.6 1.7 Number of Mowers Sold 10 9 12 13 14 10 11 9 11 7 13 10 11 13 a. Determine the correlation between the two variables. (Round your answer to four decimal points.) Correlation Coefficient
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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Give typed full explanation

Transcribed Image Text: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:
Period
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Fertilizer
Sales
1.6
1.3
1.8
2.0
2.2
1.5
1.6
1.4
1.5
1.1
1.9
1.4
1.6
1.7
Number of
Mowers Sold
10
9
12
13
14
10
11
9
11
7
13
10
11
13
a. Determine the correlation between the two variables. (Round your answer to four decimal points.)
Correlation Coefficient

Transcribed Image Text:b. Obtain a linear regression line for the data. (Round your answers to four decimal points.)
Intercept (a)
Slope (b)
c. Predict expected lawn mower sales for the first week in August, given fertilizer sales six weeks earlier of 2.1 tons. (Round your
answer to two decimal points.)
Resulting Forecast
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