This exam will use 2 publicly available datasets that have a common link (e.g. CMS ID, Zip code, State code, County

This exam will use 2 publicly available datasets that have a common link (e.g. CMS ID, Zip code, State code, County code, etc.). You will need to have MySQL workbench or another client tool that can access the database connection loaded on your personal laptop prior to the exam.

 

  • Create a new document which will be a graphical representation of your data model. Word, PowerPoint, or Excel are good choices.  The drawing menu with the flowchart symbols are good choices.
  • Choose 2 data sources and add it to your data model (create a new data model in Excel or Word). The data model should use the correct symbols for entity, attribute, and relationship. You do not need to note the type of relationship (e.g. 1:Many, etc.).together by one or more fields. You do not need to actually download the full file and actually link the files together.
  • Add your tables to your data model AND Entity Relationship Diagram. The data model should use the correct symbols for entity, attribute, and the relationship between the 2 tables.
  • Assume that both tables are equal and an INNER JOIN would be used to link the tables.
  • Develop 1 overarching question or hypothesis and 3 sub-questions or hypotheses for the data. (*this is not a research course so you do not need to write out a null and alternative hypothesis or write out scientific symbols. Just write it as a regular sentence or bullet point).
  • Develop the SQL queries needed to extract this data. You can start with basic SQL and then add supporting information on how you would narrow this data down.  This can include filters you may use or other features of database management.
  • Create an executive summary document and include the information requested above, including screenshots where applicable. Your final document should have the following sections:

 

  • Introduction: Explain the purpose of your data analysis report in a few sentences.
  • Problem Statement: Write your question or hypothesis and sub-questions in this section.
  • Data Model and Entity Relationship Diagram: Add your Data Model here AND ERD here.
  • Methodology: Document the steps you took to review the files, why you chose these 2 files, how you determined the field(s) needed to combine them, and the SQL for your queries.  This section should contain facts and process and not any results or opinions.
  • Discussion: This section should contain your thoughts on the data model, how well it fit your question, along with any other relevant policy or compliance-related information about the data. This section can contain questions you have about the data and thoughts on the next steps or other data elements, tools, processes, resources, or policies you would need.

 

  • Screenshots should be a consistent size and labeled as Figure 1, Figure 2, etc.
  • Tables (e.g. results from queries) should be labeled as Table 1, Table 2, etc.
  • There are no other special formatting requirements. Any page length, any size font, etc.

 

 

Use proper citation for all references (APA is preferred but other formats are fine too.  I am not checking for the EXACT format).

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