A sales manager for an advertising agency believes that there is a relationship between the number of contacts that a sales person makes and the amount of the sales dollars earned. A regression analysis shows the following results: 
What is the slope of the linear equation?
Definitions:
Animal Development
The biological process by which animals grow and change over time, including physical and behavioral changes from birth through maturity.
Adaptive Problems
challenges faced by individuals or species that influence survival and reproduction, requiring evolutionary or immediate solutions.
Evolutionary Psychologists
Researchers who study psychological structures from a modern evolutionary perspective, aiming to understand the mind and behavior through the lens of adaptation and natural selection.
Reproduction
The biological process by which new individual organisms are produced from their parents.
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