A market researcher is studying the spending habits of people across age groups. The amount of money spent by each individual is classified by spending category (Dining out, Shopping, or Electronics) and generation (Gen-X, Gen-Y, Gen-Z, or Baby Boomers) . The data and an incomplete ANOVA table are shown below. 
The value of MSAB is ________.
Definitions:
Nervous System
The complex network of nerve cells and fibers that transmits nerve impulses between parts of the body, enabling responses to internal and external stimuli.
Ingestion
The act of taking substances, typically food or medication, into the body through the mouth for digestion.
Chemical Burn
Tissue damage caused by exposure to a corrosive substance, which can affect the skin and mucous membranes.
Acids
Chemical substances that release hydrogen ions when dissolved in water, exhibiting a sour taste and capable of turning blue litmus paper red.
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