The general manager of a telemarketing company believes that experience is the most important factor in determining the level of success of a telemarketer. To examine this belief she records last...

The general manager of a telemarketing company believes that experience is the most important factor in determining the level of success of a telemarketer. To examine this belief she records last month's sales (in $1,000s) and the years of experience of 10 randomly selected telemarketers. These data are listed below. (attached snip of data)
Question 1: what is the slope?Question 2: what is the intercept?Question 3: how much in sales would you expect from a telemarketer who had 10 years of experience?Question 4: how good is years of experience as a predictor for sales?