Refer to the following partial ANOVA results from Excel (some information is missing) . 
The number of observations in the entire sample is:
Definitions:
Parasympathetic Nervous System
Part of the autonomic nervous system that conserves energy by slowing the heart rate, increasing intestinal and gland activity, and relaxing sphincter muscles in the gastrointestinal tract.
Somatic Nervous System
The somatic nervous system is part of the peripheral nervous system responsible for carrying motor and sensory information both to and from the central nervous system.
Interneurons
Neurons located in the central nervous system that transmit impulses between sensory and motor neurons.
Peripheral Nervous System
The part of the nervous system that consists of the nerves and ganglia outside of the brain and spinal cord, involved in transmitting sensory information and motor signals.
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