You want to know why some states that have the death penalty as a punishment use it more than other states. In order to develop your design, you identify those states that have capital punishment and those that do not. Among those that do have capital punishment, you separate states by the following criteria: annual executions over the last 20 years; states with fewer than a certain number of annual executions over the last 20 years; and those states that have not executed in the last 20 years. What sampling method are you using?
a. convenience
b. quota
c. stratified
d. purposive
Question 2
Following the model of London, England, Center City, USA, decided to install closed-circuit television (CCTV) cameras in a downtown park in hopes of reducing the public's fear of crime. Which technique would be the best choice to determine if fear has in fact decreased?
a. send out a questionnaire to all citizens living in Center City, USA
b. select, via simple random sampling, 20 citizens to interview
c. interview, via reliance on available subjects, citizens that are in the park
d. because you want to measure a feeling, there is no accurate way to do this
The extent of acid rain in the United States has decreased.
Healed bone fractures can provide clues about activities and fresh fractures can yield information a
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