Doctors studying how the human body assimilates medication inject some patients with penicillin,and then monitor the concentration of the drug (in units/cc)in the patients' blood for seven hours.The data are shown in the scatterplot.First they tried to fit a linear model.The regression analysis and residuals plot are shown.Is that estimate likely to be accurate,too low,or too high? Explain. 
Definitions:
Psychoanalysis
A therapeutic approach and theory of psychopathology founded by Sigmund Freud, focusing on unconscious processes, early childhood experiences, and the exploration of dreams and fantasies.
Carl Rogers
A psychologist who founded humanistic psychology and developed theories of the self, client-centered therapy, and conditions for personal growth.
Humanistic Psychologist
A psychologist focused on individual potential and the importance of growth and self-actualization.
Wilhelm Wundt
Recognized as the father of experimental psychology, he established the first psychological laboratory in Leipzig, Germany, in 1879.
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