2.17 What’s wrong? Explain what is wrong with each of the following:

1. (a) If two variables are negatively associated, then low values of one variable are associated with low values of the other variable.

2. (b) A stemplot can be used to examine the relationship between two variables.

3. (c) In a scatterplot, we put the response variable on the x axis and the explanatory variable on the y axis.