A normal quartile plot is given below for the weekly incomes (in dollars) of a sample of engineers in one town. Use the plot to assess the normality of the incomes of engineers in this town. Explain your reasoning. 
Definitions:
State-dependent Learning
A phenomenon where an individual's ability to recall information is enhanced when in the same state of consciousness as when the information was learned.
Stress Response
The body's reaction to a challenge or demand, characterized by physiological changes such as increased heart rate and hormone levels.
Stressor
An event or condition that causes stress, challenging an individual's ability to cope.
Derealization
A psychological condition in which the world around seems unreal or distant.
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