Introduction

- what citibike is and why your question is interesting.

Data

- a description of the data you use and how it is processed. This should include figures (with captions!!) that help visualize and understand the data.

Methodology

- a description of the methodology (test) chosen, the motivation behind it, a discussion of alternative options that were not adopted.
discussed and considered the recommendations of your "referees"
Perform the appropriate statistical test.
figures show the results.

Conclusions

- The result and its significance, including the weaknesses and strengths of the analysis.

Notebook

also upload it to your HW7_ repo
test 2 proportions chi sq test for proportions
parametric