DAT 250 Module 6 || QUESTIONS WITH COMPLETE
SOLUTIONS.
Data Mining correct answers Searching records in one or more databases, looking for patterns or
relationships
Can be used to create profiles of individuals
Allows companies to build more personal relationships with customers
Secondary Uses of Information correct answers the re-use of identifiable information and
identifiable biospecimens that are collected from some other "primary" or "initial" activity
Collaborative Filtering correct answers Form of data mining
Analyze information about preferences of large number of people to predict what one person
may prefer
- Explicit method: ask people to rank preferences
- Implicit method: keep track of purchases
Used by online retailers and movie sites
Microtargeting correct answers Political campaigns determine voters most likely to support
particular candidates
- Voter registration
- Voting frequency
- Consumer data
- GIS data
Target direct mailings, emails, text messages, home visits to most likely supporters
Census Records correct answers Census required by US Constitution to ensure every state has
fair representation
Sometimes Census Bureau has broken confidentiality requirement by providing names and
address to find draft resistors and Japanese-Americans
Internal Revenue Service correct answers The 16th Amendment to the US Constitution gives the
federal government the power to collect an income tax (1913)
IRS collects more than $2 trillion a year in income taxes
Income tax forms contain a tremendous amount of personal information: income, assets, to
whom you make charitable contributions, medical expenses, and more
FBI National Crime Center Database correct answers NCIC - Collection of databases related to
various crimes (such as people incarcerated in federal prisons, suspected terrorists, violent gang
members)
- Contains > 39 million records • Successes
- Helps police solve hundreds of thousands of cases every year
- Helped FBI tie James Earl Ray to assassination of Dr. Martin Luther King, Jr.
- Helped FBI apprehend Timothy McVeigh for bombing of federal building in Oklahoma City
SOLUTIONS.
Data Mining correct answers Searching records in one or more databases, looking for patterns or
relationships
Can be used to create profiles of individuals
Allows companies to build more personal relationships with customers
Secondary Uses of Information correct answers the re-use of identifiable information and
identifiable biospecimens that are collected from some other "primary" or "initial" activity
Collaborative Filtering correct answers Form of data mining
Analyze information about preferences of large number of people to predict what one person
may prefer
- Explicit method: ask people to rank preferences
- Implicit method: keep track of purchases
Used by online retailers and movie sites
Microtargeting correct answers Political campaigns determine voters most likely to support
particular candidates
- Voter registration
- Voting frequency
- Consumer data
- GIS data
Target direct mailings, emails, text messages, home visits to most likely supporters
Census Records correct answers Census required by US Constitution to ensure every state has
fair representation
Sometimes Census Bureau has broken confidentiality requirement by providing names and
address to find draft resistors and Japanese-Americans
Internal Revenue Service correct answers The 16th Amendment to the US Constitution gives the
federal government the power to collect an income tax (1913)
IRS collects more than $2 trillion a year in income taxes
Income tax forms contain a tremendous amount of personal information: income, assets, to
whom you make charitable contributions, medical expenses, and more
FBI National Crime Center Database correct answers NCIC - Collection of databases related to
various crimes (such as people incarcerated in federal prisons, suspected terrorists, violent gang
members)
- Contains > 39 million records • Successes
- Helps police solve hundreds of thousands of cases every year
- Helped FBI tie James Earl Ray to assassination of Dr. Martin Luther King, Jr.
- Helped FBI apprehend Timothy McVeigh for bombing of federal building in Oklahoma City
