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. 
What is the test statistic T?
Definitions:
Conversation Starter
A question or statement designed to initiate dialogue or discussion.
Style of Talking
The distinctive manner in which an individual communicates verbally, reflecting their personality, cultural background, and social context.
Oral Expression
The ability to articulate thoughts, ideas, or information verbally in a clear and understandable manner.
Personality
Personality encompasses the unique set of emotional, thought, and behavioral patterns that define an individual’s character and influence their interactions with the environment.
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