A company wants to study the effect of an employee's length of employment on their number of workdays absent. The results of the regression analysis follow. 
What is the least squares equation?
Definitions:
Separate Species
A biological concept defining groups of organisms that can interbreed freely under natural conditions but do not breed with other such groups.
Interbreed
To breed individuals of different varieties or species, producing hybrids.
Low Survival Rate
Refers to a situation where a small percentage of members of a group or species continue to live under certain conditions.
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