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.
Approximently at least 5% of high school students smoked
Answer:
c. Dreamtime.
Explanation:
According to my research on the cultural aspects of Australian Aboriginals, I can say that based on the information provided within the question they possessed a deep knowledge of the tribe's past in the Dreamtime. This is their understanding of the world around them, including it's creation as well as it's stories. They believe that from this came all knowledge and laws of existance, which must be observed and obeyed in order to survive.
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Stare Decisis refers to the legal doctrine wherein a Judge lets a previous ruling or precedent stand.
However, Judges are not always correct and understandings regarding what is Constitutional are not always static.
The classic example of this is the notion of "separate but equal." In Plessy v. Ferguson, SCOTUS ruled that separate but equal was constitutional. Courts relied on this decision using state decisis for years until the ruling was challenged and overturned in Brown v. Board of Education wherein the ruling was overturned.
