1 .		If you were to measure shoe size and academic achievement for children ages 6 to 12, you would find a statistically significant positive correlation between the two. Can you conclude that smarter kids wear larger shoes? Can we predict academic achievement from shoe size? Explain your answers. [Hint] To create paragraphs in your essay response, type <p> at the beginning of the paragraph, and </p> at the end.
2 .		Observe the following set of scores. Plot the points on a graph. Estimate the size and direction of the correlation. [Hint] To create paragraphs in your essay response, type <p> at the beginning of the paragraph, and </p> at the end.
3 .		Observe the following set of scores. Plot the points on a graph. Explain the correlation if there is one. [Hint] To create paragraphs in your essay response, type <p> at the beginning of the paragraph, and </p> at the end.
4 .		A student collects data on 20,000 teachers. She finds that salary has a Pearson r with job satisfaction of .10. She proudly announces that the correlation is statistically significant. Her professor says, "So what!" Explain the difference in these two interpretations of the importance of the finding. [Hint] To create paragraphs in your essay response, type <p> at the beginning of the paragraph, and </p> at the end.
5 .		Following are two sets of scores for 5 subjects each. The subjects have the same scores on A in both sets. They have the same B scores but in different order. Are the correlations between A and B the same for both sets of scores? Explain. [Hint] To create paragraphs in your essay response, type <p> at the beginning of the paragraph, and </p> at the end.