The following table shows the average earnings by gender of Canadian workers. 
The changes in earnings for men and women are to be compared. Unfortunately, the base period of
1998 is different for the two groups.
Determine the average earnings increase for both men and women over the period 1998 to 2005.
Definitions:
Descriptive Theory
A framework or model that explains phenomena by describing their characteristics, behaviors, or attributes.
Grand Theory
A broad conceptual framework that attempts to explain large segments of the human experience, often used within the discipline of sociology and psychology.
Betty Neuman's Theory
A nursing theory focused on individuals' response to stressors, emphasizing prevention as intervention.
Line of Defences
Refers to a model in healthcare and biology, indicating mechanisms that prevent infection or disease, typically broken down into primary, secondary, and tertiary levels.
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