Those who cannot take the exam at this time should make arrangements with me for an exam on May 13. This is not a practice exam, but a list of questions that are typical of final exam questions. Consider the following argument. Sparrows are birds.
Sparrows have feathers.
A figure is needed for the next problem. See hard copy. The graph to the right shows the percentage of federal expenditures devoted to several different categories. What type of statistical study would be most appropriate to answer the following questions. Be as specific as possible.