1. In your own words, express the main idea of the statement that "a correlation does not imply causation".

2. In your own words, describe the difference between the two regression equations: ^y= b0 + b1x and y = 0 + 1x + e

3. A geneticist wants to develop a method to predict the color of a baby's eyes, based on the eye colors of the baby's parents. In his own words, say whether the methods. Explain why or why not.