DAT 250 || QUESTIONS WITH CORRECT
SOLUTIONS!!
Data Mining Definition correct answers Searching records in one or more databases, looking for
patterns or relationships.
Secondary Uses of Information correct answers Information collected for one purpose then used
for another purpose.
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
Microtargeting correct answers Political campaigns deterime voters who are likely to support a
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 required by constitution to ensure each state has fair
representation. 5% get more questions. Census bureau broke confidentiality requirement by
providing names and addresses to find:
WWI resistors
WWII Japanese Americans
Internal Revenue Service correct answers 16th amendment gives fed power to collect income
tax. IRS collects more than 2T a year in income tax. Contains tons of personal information
Income, assets, charitable contributions, medical expenses, and more.
FBI National Crime Center Database correct answers A collection of databases relating to
various crimes containing more than 39 million records. Helps solve cases, earl ray to Martian
Luther king assignation, helped them catch timothy Mcveigh for bombing federal building.
USA Patriot Act Provisions correct answers Federal law enforcement and intel officers with
greater authority to monitor communications
Sec of the treasury has greater powers to regulate banks, preventing them from being used for
money laundering
Greater border controls making it more difficult for terrorists to enter the United States
Defining new crimes and penalties for terrorist activity
USA Patriot Act Criticisms correct answers Violates 4th amendment
Allows police to use pen registers on the internet to track email addresses and URLs
SOLUTIONS!!
Data Mining Definition correct answers Searching records in one or more databases, looking for
patterns or relationships.
Secondary Uses of Information correct answers Information collected for one purpose then used
for another purpose.
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
Microtargeting correct answers Political campaigns deterime voters who are likely to support a
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 required by constitution to ensure each state has fair
representation. 5% get more questions. Census bureau broke confidentiality requirement by
providing names and addresses to find:
WWI resistors
WWII Japanese Americans
Internal Revenue Service correct answers 16th amendment gives fed power to collect income
tax. IRS collects more than 2T a year in income tax. Contains tons of personal information
Income, assets, charitable contributions, medical expenses, and more.
FBI National Crime Center Database correct answers A collection of databases relating to
various crimes containing more than 39 million records. Helps solve cases, earl ray to Martian
Luther king assignation, helped them catch timothy Mcveigh for bombing federal building.
USA Patriot Act Provisions correct answers Federal law enforcement and intel officers with
greater authority to monitor communications
Sec of the treasury has greater powers to regulate banks, preventing them from being used for
money laundering
Greater border controls making it more difficult for terrorists to enter the United States
Defining new crimes and penalties for terrorist activity
USA Patriot Act Criticisms correct answers Violates 4th amendment
Allows police to use pen registers on the internet to track email addresses and URLs
