The experimental units are what you apply the treatments to. In this experiment it would be the subjects or the customers in this situation since they will be treatment (either standing at their regular height or squatting to meet the eye level which could affect the amount of tip they give). An example of randomization can be numbering each table in the restaurant and picking them out of a hat and going to that table that you randomly chose and imposing the treatment on the customers there. Because tips depend on the income of the customers and how much they are willing to give for their meal. If not even income some people are willing to give despite how much money they make so their tips may higher than the wealthy crowd. Other factors the experimenters may not be able to control is the mood of the customers as well isn't it more likely if someone is enjoying their time to give more to the server despite the service the waiter.
Secrets and plans on how and what military firepower the United States have, how much money are people actually paying for taxes, and maybe deliveries and distribution what is being shipped in and out of the United States
<span>The Industrial Revolution was beginning to turn an agricultural economy into one with machines and manufacturing. The Industrial Revolution was growing rapidly in the United States during the early 19th century.</span><span>Hoped I Helped!</span>
After a the war Panama was in Debt
Thus U.S.A bought it making it as it's own.
Therefore they made the canal as a short route to go between the small area between the nor
th and south.
