Two coffee-vending machines are studied to determine whether they distribute the same amounts. Samples are taken and the number of ounces is recorded for each machine. 
Calculate the values of TA and TB.
Definitions:
Verbal Punishment
A form of discipline or corrective measure that uses negative verbal communication.
Independent Variable
A variable in an experiment or study that is manipulated by the researcher to observe its effects on the dependent variable.
Television Viewing
The act of watching content on a television set.
Obesity
A medical condition characterized by excessive body fat that presents a risk to health.
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