HSC 300 exam #3 with correct answers
Know what terms best describe bid data - Correct Answer - a. Large volumes are voluminous, diverse,
and timely data
b. Complex data
Understand Secondary Data Sources - Correct Answer - Data taken from a primary record and used for a
purpose different than the original use
i. Ex: Registries, indexes, traumas, cancers
Know the primary purpose of structured data entry - Correct Answer - Structured data entry reduces
documentation variability
Know why an organization would use external secondary data - Correct Answer - Benchmarking,
performance comparisons to other organizations
Understand strategic decisions and examples - Correct Answer - i. Futuristic, long-term organizational
goals made by executives
Ex: for a healthcare system might include expanding the current market to a wider geographic area. An
example of strategic decision-making is marketing services to a new demographic segment
Understand Ad hoc reports - Correct Answer - Generated on an as-needed basis by analysts and used
one time to answer a single, specific question
Know how to define data mining - Correct Answer - Applies artificial intelligence, machine learning, and
statistics to large data sets to discover patterns in the data
1
, Understand data warehouses and staging data stores - Correct Answer - Data warehouse: Special type
of database that has a single data model optimized for data analytics and extracts and stores selected
data from one or more operational databases for the purpose of analytics decision support
b. Data in a data warehouse is historical
c. Referred as OLAP
d. Staging data store extracts and cleanses data before it is loaded in the data warehouse
i. In designing a data warehouse, data marts, metadata repositories, and sources systems are used
Know the purpose of data cleansing - Correct Answer - a. The process of checking internal consistency
and duplication and identifying outliers and missing data in data sources
b. Involves correcting and enhancing the values of individual data elements and enforcing data
standards
c. Detects and removes data that are out-of-date, incorrect, incomplete, or redundant
Understand functions of data marts - Correct Answer - Data marts provide predetermined analyses for
use by specific business units
Know what value conflict is and an example - Correct Answer - Value conflicts where different data
sources use different metrics as data values such as pounds versus kilograms
i. EX: data problem when integrating data from two systems that use different metrics for measuring a
patient's weight.
Know what UMLS is - Correct Answer - a. Began in 1986 to aid health professionals and researchers in
retrieving and integrating information from a variety of sources and for users to link disparate
information systems.
b. Today, there are in excess of 100 different vocabularies and classifications complied in the UMLS
Know how to best define data sets - Correct Answer - a. A data set is defined as a list of recommended
data elements with uniform definitions that are relevant for a particular use. Data sets are used to
encourage uniform data collection and reporting
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Know what terms best describe bid data - Correct Answer - a. Large volumes are voluminous, diverse,
and timely data
b. Complex data
Understand Secondary Data Sources - Correct Answer - Data taken from a primary record and used for a
purpose different than the original use
i. Ex: Registries, indexes, traumas, cancers
Know the primary purpose of structured data entry - Correct Answer - Structured data entry reduces
documentation variability
Know why an organization would use external secondary data - Correct Answer - Benchmarking,
performance comparisons to other organizations
Understand strategic decisions and examples - Correct Answer - i. Futuristic, long-term organizational
goals made by executives
Ex: for a healthcare system might include expanding the current market to a wider geographic area. An
example of strategic decision-making is marketing services to a new demographic segment
Understand Ad hoc reports - Correct Answer - Generated on an as-needed basis by analysts and used
one time to answer a single, specific question
Know how to define data mining - Correct Answer - Applies artificial intelligence, machine learning, and
statistics to large data sets to discover patterns in the data
1
, Understand data warehouses and staging data stores - Correct Answer - Data warehouse: Special type
of database that has a single data model optimized for data analytics and extracts and stores selected
data from one or more operational databases for the purpose of analytics decision support
b. Data in a data warehouse is historical
c. Referred as OLAP
d. Staging data store extracts and cleanses data before it is loaded in the data warehouse
i. In designing a data warehouse, data marts, metadata repositories, and sources systems are used
Know the purpose of data cleansing - Correct Answer - a. The process of checking internal consistency
and duplication and identifying outliers and missing data in data sources
b. Involves correcting and enhancing the values of individual data elements and enforcing data
standards
c. Detects and removes data that are out-of-date, incorrect, incomplete, or redundant
Understand functions of data marts - Correct Answer - Data marts provide predetermined analyses for
use by specific business units
Know what value conflict is and an example - Correct Answer - Value conflicts where different data
sources use different metrics as data values such as pounds versus kilograms
i. EX: data problem when integrating data from two systems that use different metrics for measuring a
patient's weight.
Know what UMLS is - Correct Answer - a. Began in 1986 to aid health professionals and researchers in
retrieving and integrating information from a variety of sources and for users to link disparate
information systems.
b. Today, there are in excess of 100 different vocabularies and classifications complied in the UMLS
Know how to best define data sets - Correct Answer - a. A data set is defined as a list of recommended
data elements with uniform definitions that are relevant for a particular use. Data sets are used to
encourage uniform data collection and reporting
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