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Phoenix Lumber Company uses the number of construction permits issued to help es

ID: 1192982 • Letter: P

Question

Phoenix Lumber Company uses the number of construction permits issued to help estimate demand (sales). The firm collected the following data on annual sales and number of construction permits issued in its market area:

No. of Construction

Sales

Year

Permits Issued (000)

(1,000,000)

2003

6.50

10.30

2004

6.20

10.10

2005

6.60

10.50

2006

7.30

10.80

2007

7.80

11.20

2008

8.20

11.40

2009

8.30

11.30

No. of Construction

Sales

Year

Permits Issued (000)

(1,000,000)

2003

6.50

10.30

2004

6.20

10.10

2005

6.60

10.50

2006

7.30

10.80

2007

7.80

11.20

2008

8.20

11.40

2009

8.30

11.30

Explanation / Answer

(a) independent variable is no. of construction permits used , while sales are dependent because more the construction permits are issued, the sales will be more.