Part of an Excel output relating Y (dependent variable) and 4 independent variables, X1 through X4, is shown below. 
a.Fill in all the blanks marked with "?"
b.At 95% confidence, which independent variables are significant and which ones are not? Fully explain how you arrived at your answers.
Definitions:
Brain Imagery
A technique used in neuroscience to capture imaging of the structure and function of the brain.
Cognitive Neuroscience
An interdisciplinary field of research focused on understanding the neurological basis of mental processes and how the brain enables the mind.
MRI
Magnetic Resonance Imaging, a medical imaging technique used in radiology to form pictures of the anatomy and the physiological processes of the body.
Psychiatric Social Workers
Are professionals who provide mental health services focusing on the social aspects of patient care, including counseling, advocacy, and connecting individuals with community resources.
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