## Research Question 5: Does the average backpack-to-body ratio depend on a student's college?

Based on self-reported majors I attempted to classify everyone into one of the 6 colleges ("college").

## Descriptive Statistics

(p) Use technology to construct an appropriate graphical display for examining the relationship between backpack-to-body ratio and college. Include this graph in your report.

Press one of the links below to view the appropriate technology instructions.

 JMP Minitab R Applets

(q) Write 1-2 sentences describing the relationship as revealed by your graph.

## Inferential Statistics

(r) Carry out a test of significance to decide whether there is an association between backpack-to-bodyratio and college among all Cal Poly students.

1. Define the parameter(s) of interest.

2. State the hypotheses both in symbols and in words.

3. Identify an appropriate test procedure.

4.-5. Use technology to carry out the test of significance and copy the output into your report.

Press one of the links below to view the appropriate technology instructions.

 JMP Minitab R Applets