In Exercises 1.7–1.12, classify each of the studies as either descriptive or inferential. Explain your answers.
Professional Athlete Salaries. From the Statistical Abstract of the United States and the article “Average Salaries in the NBA, NFL, MLB and NHL” by J. Dorish, published on the Yahoo! Contributor Network, we obtained the following data on average professional athletes’ salaries for the years 2005 and 2011.
Sport | Average salary ($millions) | |
2005 | 2011 | |
Baseball (MLB) | 2.48 | 3.31 |
Basketball (NBA) | 4.04 | 5.15 |
Football (NFL) | 1.40 | 1.90 |
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