I believe the year in question is not 1970 but 1790.
The answer to the question is South Carolina. Given its small size compared to the other states they had the huge number of slaves about 65%. The 65% were African-American slaves. The slaves population in South Carolina grew in connection to their rice culture success.
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.
Strain theory<span>, developed by Robert K. </span>Merton<span>, argued that society may be set up in a way that encourages too much deviance. </span>Merton<span> believed there was a disjunction between socially approved means to success and legitimate cultural goals. i dont own this</span>
