Data is collected from 20 sales people in order to verify that the more contacts made with potential clients, the greater the sales volume. The Excel printout is shown below. 
The y-intercept in this instance suggests:
Definitions:
API Gravity
A measure of how heavy or light a petroleum liquid is compared to water, used in the oil and gas industry to classify oils.
Pearson Correlation
A measure of the linear relationship between two quantitative continuous variables, ranging from -1 to 1, where 1 means a perfect positive correlation and -1 a perfect negative correlation.
Price Per Barrel
The cost of a barrel of goods, commonly used to denote the cost of a barrel of crude oil in financial markets.
Confidence Interval Estimate
A confidence interval estimate provides a range of values, derived from sample data, that is likely to contain the value of an unknown population parameter, along with a given level of confidence.
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