Exam (elaborations)
CHDA Chapter 3 Questions with solutions
- Course
- Institution
Exam of 2 pages for the course CHDA at CHDA (CHDA Chapter 3)
[Show more]
Content preview
CHDA Chapter 3A database is - answer A self-describing collection of integrated records
Relational databases are - answer Two dimensional arrays of rows and columns
An entity relationship diagram (ERD) - answer Is used to describe how the tables of
multiple databases work together
Attributes are - answer Characteristics or data elements to be collected about each
entity
An attribute that is a unique identifier in a table - answer Primary key
When a primary key is duplicated in another table it is called - answer A foreign key
A data dictionary is - answer The equivalent of a detailed roadmap of the database
Structured query language (SQL) - answer Is a flexible language that is commonly used
to communicate with a relational database
Statistical analysis system is also known as – answer SAS
SPSS - answerIs also known as statistical package for the social sciences
SAS programs are created in two steps - answerThe first step is the DATA step and the
second step is the PROC step
The SAS data step - answerMaybe used to create a data set or to create new variables
within an existing data set
The SAS procedure step is - answerUsed to run a statistical analysis procedure
HEDIS (Healthcare Effectiveness Data and Information Set) - answerAre hospital
quality measures for CMS
In tables, the columns are the "blank" in the observations are the "blank" -
answerVariables, observations
Bar graphs are appropriate for - answerComparing a summary statistics such as volume
or an average across groups
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller julianah420. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
77016 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now