A company wants to study the relationship between an employee's length of employment and their number of workdays absent.The company collected the following information on a random sample of seven employees. 
What is the independent variable (X)? _________________
Definitions:
Homeotic Genes
Genes that control the development of anatomical structures in various organisms by regulating the pattern of body formation.
Morphogenesis
The biological process that causes an organism to develop its shape.
Segments
Divided parts or sections of a structure or organism, which can have specialized functions and can be identified as individual units.
Genes
Units of heredity made up of DNA that code for the synthesis of specific proteins and determine the characteristics of an organism.
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