A list of 1,000 students in alphabetical order has been provided to you, and you want a sample of 50. Using systematic random sampling techniques, what is the sampling interval?
A. 1/50
B. 1/20
C. 10
D. 20
D. 20
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Segregation didn't officially end until when?
A. February 1960, sit-in protest in Greensboro, NC B. September 1957, Federal troop enforces court C. Summer 1963, Freedom summer launched to register black voters D. July 1964, Civil Rights Act was enforced
SELECT ALL THAT APPLY. According to Marvin Harris, which of the following factors trouble the correlation between latitude and skin color?
A. regional differences in cloud-cover and direct sunlight B. access to foods with high vitamin D content C. differing clothing preferences between populations D. variances in cooking styles
U.S. Supreme Court nominees
a. are appointed for life if the appointment is approved b. must also be approved by a majority of the other Supreme Court justices c. benefit from "senatorial courtesy," meaning that approval is certain if his/her home state U.S. Senators declare support d. All of the above
The tragic cost of war was clearly demonstrated in the combined death toll of World Wars I and II, which was roughly ______.
a. 5 million people b. 60 million people c. 10 million people d. 150 million people