## Research Question 4: Do students taking more classes tend to have heavier backpacks (higher ratios)?

## Descriptive Statistics

(l) Consider the variable *units taking*. Would you classify this variable as categorical or quantitative? Would you consider this variable as the response variable or the explanatory variable?

(m) Use technology to construct an appropriate graphical display for examining the relationship between *units taking* and *ratio*. Include this graph in your report.

JMP | Minitab | R | Applets |

(n) Write 1-2 sentences describing the relationship as revealed by this graph.