A sales manager for an advertising agency believes that there is a relationship between the number of contacts that a salesperson makes and the amount of sales dollars earned. A regression analysis shows the following results: 
What is the standard error of the slope?
Definitions:
Fluid Shift Mechanism
The process by which fluids move between the body's compartments, adapting to changes in environmental pressures or body position.
High Blood Pressure
A condition in which the force of the blood against the artery walls is too high, often leading to health problems such as heart disease.
Urine Output
A measurement of the volume of urine excreted by the body in a given time period, indicative of kidney function and hydration status.
Arteriosclerosis
A general term describing the thickening and hardening of arterial walls that can restrict blood flow.
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