The sales manager for a local commercial waste disposal company has tracked the yearly dollar value (in 1000 ) of contracts made by both internal sales people and external sales people. The data are presented below. Graph the data with a time plot.
What possible conclusions or actions might the firm consider?Year 2003 2004 2005 2006 2007 2008Internal Sales 370 378 400 360 352 335External Sales 705 713 728 754 763 775
Question 2
How would you interpret the coefficient on x3?
A) We would expect to pay approximately 1,000 more for a house that is located 6 miles away from the beach.
B) We would expect to pay approximately 6,040 more for a house that is located an additional mile away from the beach.
C) We would expect to pay, on average, 1,000 less for a house that is located 6 miles away from the beach, given that the number of bedrooms and square footage of living space are held constant.
D) We would expect to pay, on average, 6,040 less for a house that is located an additional mile away from the beach, given that the number of bedrooms and square footage of living space are held constant.
Local and long–distance cell communication in animals.
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