In an article titled “Who has designs on your student’s minds?”, author G. Brumfiel postulated that support for Darwinism increases with level of education. The following table provides percentages of U.S. adults, by educational level, who believe that evolution is a scientific theory well supported by evidence.

a. Do you think that this study is descriptive or inferential? Explain your answer.

b. If, in fact, the study is inferential, identify the sample and population.

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Education Postgraduate education College graduate Some college education High school or less Percentage 65% 52% 32% 20%