Discussion 5

The writing involves the following five parts:

Introduction (what is the hypothesis you want to test; what is the population data you have in mind)

data collection (what your sample data is and from where you collect them; on what basis you are convinced the sample is random)

data summary and visualization (the basic summary statistics of your data and a visualization of the main feature of the data)

hypothesis testing (a statistical statement of the hypothesis you want to test and the test statistics that you have computed)

conclusion (what you can conclude concerning your hypothesis based on your test statistics)

Choose your favorite statistical software to conduct the project.

Write a 1.5-page single spaced memo of the data project detailing the above four parts and to submit the data file along with the memo.

Examples topics:

Has vaccination made differences in inflation rates across the states in the U.S. (or the countries in the world)?

Has the ongoing US-China antagonism affected the bilateral trades between these two countries?

Is the same kind of bagels priced higher in Walmart than in Costco?