WGU Exploring Data D467 UPDATED
ACTUAL Exam Questions and CORRECT
Answers
First Party Data - CORRECT ANSWER - Data you collect yourself
Second Party Data - CORRECT ANSWER - Data is collected directly by another group
then sold
Third Party Data - CORRECT ANSWER - Data sold by a provider that did not collect the
data themselves
Data Collection Considerations - CORRECT ANSWER - Select The Right Type of Data
Determine the Time Frame
Collect New Data
Use Existing Data
Data Formats - CORRECT ANSWER - Primary Vs Secondary, Internal Vs. External,
Continuous Vs. Discrete, Qualitative Vs. Quantitative, Nominal Vs Ordinal, Structured Vs.
Unstructured
Structured Data - CORRECT ANSWER - Organized in a certain format such as rows and
columns
Unstructured Data - CORRECT ANSWER - Not Organized in any easy way to identify
Data Modeling - CORRECT ANSWER - Process of creating diagrams that visually
represents how data is organized and structured. These visual representations are called data
models
, Three most common types of data modeling - CORRECT ANSWER - Conceptual Data
Modeling, Logical Data Modeling, Physical Data Modeling
Data Type - CORRECT ANSWER - A specific Kind of data attribute that tells what kind
of value the data is
Data Type in a Spreadsheet - CORRECT ANSWER - Can be a number, text/string, or a
Boolean
Boolean Logic - CORRECT ANSWER - Uses Multiple conditions such as: boolean
operators (AND, OR, NOT)
Data transformation - CORRECT ANSWER - Process of changing the data's format,
structure, or values
Goals of Data Transformation - CORRECT ANSWER - Organization, Compatibility,
Migration, Merging, Enhancement, or Comparison
Biased Data - CORRECT ANSWER - Can systematically skew results in a certain
direction making them unreliable. As an analyst, think about bias and fairness from the moment
you start collecting data to time you present your conclusion.
Sampling Bias - CORRECT ANSWER - When a sample is not representative of the
population as a whole. Unbiased sampling results in a sample that is representative of the
population being measured.
Observer Bias - CORRECT ANSWER - The tendency of different people to observe
things differently
Interpretation Bias - CORRECT ANSWER - The tendency to always interpret ambiguous
situations in a positive or negative way
ACTUAL Exam Questions and CORRECT
Answers
First Party Data - CORRECT ANSWER - Data you collect yourself
Second Party Data - CORRECT ANSWER - Data is collected directly by another group
then sold
Third Party Data - CORRECT ANSWER - Data sold by a provider that did not collect the
data themselves
Data Collection Considerations - CORRECT ANSWER - Select The Right Type of Data
Determine the Time Frame
Collect New Data
Use Existing Data
Data Formats - CORRECT ANSWER - Primary Vs Secondary, Internal Vs. External,
Continuous Vs. Discrete, Qualitative Vs. Quantitative, Nominal Vs Ordinal, Structured Vs.
Unstructured
Structured Data - CORRECT ANSWER - Organized in a certain format such as rows and
columns
Unstructured Data - CORRECT ANSWER - Not Organized in any easy way to identify
Data Modeling - CORRECT ANSWER - Process of creating diagrams that visually
represents how data is organized and structured. These visual representations are called data
models
, Three most common types of data modeling - CORRECT ANSWER - Conceptual Data
Modeling, Logical Data Modeling, Physical Data Modeling
Data Type - CORRECT ANSWER - A specific Kind of data attribute that tells what kind
of value the data is
Data Type in a Spreadsheet - CORRECT ANSWER - Can be a number, text/string, or a
Boolean
Boolean Logic - CORRECT ANSWER - Uses Multiple conditions such as: boolean
operators (AND, OR, NOT)
Data transformation - CORRECT ANSWER - Process of changing the data's format,
structure, or values
Goals of Data Transformation - CORRECT ANSWER - Organization, Compatibility,
Migration, Merging, Enhancement, or Comparison
Biased Data - CORRECT ANSWER - Can systematically skew results in a certain
direction making them unreliable. As an analyst, think about bias and fairness from the moment
you start collecting data to time you present your conclusion.
Sampling Bias - CORRECT ANSWER - When a sample is not representative of the
population as a whole. Unbiased sampling results in a sample that is representative of the
population being measured.
Observer Bias - CORRECT ANSWER - The tendency of different people to observe
things differently
Interpretation Bias - CORRECT ANSWER - The tendency to always interpret ambiguous
situations in a positive or negative way
