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. Estimate with 95% confidence the average monthly sales of all salespersons with ten years of experience.

Question

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. Estimate with 95% confidence the average monthly sales of all salespersons with ten years of experience.

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The Answer of 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. Estimate with 95% confidence the average monthly sales of all salespersons with ten years of experience.