RHIA exam prep domain 3 WITH 100% CORRECT ANSWERS

Request for proposal (RFP) A type of business correspondence asking for very specific product and contract information that is often sent to a narrow list of vendors that have been preselected after a review of requests for information during the design phase of the systems development life cycle the facility has unique information needs justification for building an information system in-house rather than purchasing one data mining The process of extracting and analyzing large volumes of data from a database for the purpose of identifying hidden and sometimes subtle relationships or patterns and using those relationships to predict behaviors multidimensional data structuring A database management system specifically designed to handle data organized into a data structure with numerous dimensions Bar Graph A graphic technique used to display frequency distributions of nominal or ordinal data that fall into categories; Histogram A graphic technique used to display the frequency distribution of continuous data (interval or ratio data) as either numbers or percentages in a series of bars line graph A graphic technique used to illustrate the relationship between continuous measurements; consists of a line drawn to connect a series of points on an arithmetic scale; often used to display time trends pie chart A graphic technique in which the proportions of a category are displayed as portions of a circle (like pieces of a pie); used to show the relationship of individual parts to the whole data warehouse A database that makes it possible to access data from multiple databases and combine the results into a single query and reporting interface; See clinical data warehouse; clinical repository Outcomes management Primary use for data warehouses simple random sampling The process of selecting units from a population so that each one has exactly the same chance of being included in the sample systematic sampling The process of selecting a sample of subjects for a study by drawing every nth unit on a list cluster sampling The process of selecting subjects for a sample from each cluster within a population (for example, a family, school, or community) stratified sampling The process of selecting the same percentages of subjects for a study sample as they exist in the subgroups (strata) of the population