2.102 What’s wrong? Each of the following statements contains an error. Describe each error and explain why the statement is wrong.

1. (a) If the residuals are all negative, this implies that there is a negative relationship between the response variable and the explanatory variable.

2. (b) A strong negative relationship does not imply that there is an association between the explanatory variable and the response variable.

3. (c) A lurking variable is always something that can be measured.