Please give detailed explanation!

You have graduated from UCI and have got your first job working at a real estate agency that has offices all over the United States. Each real estate agent reports back his/her/their house sales to one of 4 regional headquarters (North, South, East and West) every 3 months. Because of your degree and your CV, your supervisor has put you in charge of leading the analytical team and help figure out whether the real estate agency should use the same sale portfolio (condos, 2-bedrooms, 3-bedrooms, 4+-bedrooms) in the 4 US regions or not. To help you make that decision, your supervisor gave you access to a dataset reporting the sales during the months of June-July-August that each real estate agents working for the company has made. The data set also provides information on the region in which the real estate agent works. (a) [4 pts] Describe in words how would you go soout addressing the question your supervisor raised: for example, how we you use the dataset that you are given, how would you organize the data, etc. (b) [4 pts] Indicate what type of statistical test you would use to analyze the data and explain why this test is appropriate. (c) [2 pts] Provide the null and the alternative hypothesis for the statistical test you have chosen in (b). Provide at least the null hypothesis in mathematical form