7.46. Browse one or two daily newspapers such as The New York Times (hard copy or online). Copy an article about a research study that compared two groups. Prepare a short report that answers the following questions:

(a) What was the purpose of the research study?

(b) Identify explanatory and response variables.

(c) Can you tell whether the statistical analysis used (1) independent samples or dependent samples, or (2) a comparison of proportions or a comparison of means?