A manager at a local bank analyzed the relationship between monthly salary and three independent variables: length of service (measured in months) , gender (0 = female, 1 = male) and job type (0 = clerical, 1 = technical) . The following ANOVA summarizes the regression results: 
In the regression model, which of the following are dummy variables?
Definitions:
Stress Levels
The intensity of stress reactions within an individual, which can impact mental and physical health.
Leptin
A substance secreted by adipose tissue that plays a crucial role in controlling energy equilibrium by suppressing the desire to eat.
Fat Cells
Specialized cells that store energy in the form of fat and release hormones that regulate metabolism.
Decrease Eating
A deliberate reduction in the amount of food consumed, typically for health, dietary, or psychological reasons.
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