Sales and Experience Narrative
The general manager of a chain of furniture stores believes that experience is the most important factor in determining the level of success of a salesperson. To examine this belief, she records last month's sales (in $1000s) and the years of experience of ten randomly selected salespeople. These data are listed below. 
-Refer to Sales and Experience Narrative. Interpret the value of the slope of the regression line.
Definitions:
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