D 467 EXPLORING DATA COMPREHENSIVE EXAM SCRIPT COMPLETE QUESTIONS
VERIFIED SOLUTIONS
Question:
Population.
Answer:
All possible data values in a certain dataset
Question:
Sample.
Answer:
A part of the population that is representative of the population
Question:
First-party data.
Answer:
Data collected by an individual or group using their own resources
Question:
Second-party data.
Answer:
Data collected by a group directly from its audience and then sold
Question:
Third-party data.
,Answer:
Data collected from outside sources who did not collect it directly
Question:
Internal data (Primary data).
Answer:
Collected by a researcher from first-hand sources
Question:
External data (Secondary data).
Answer:
Gathered by other people or from other research
Question:
Quantitative data.
Answer:
Can be measured and counted using numbers (quantity, amount, range)
Question:
Qualitative data.
Answer:
Cannot be counted, measured or easily expressed in numbers (names, categories, descriptions)
Question:
Discrete data.
Answer:
,Data that is counted and has a limited number of values
Question:
Continuous data.
Answer:
Data that is measured and can have any numeric value
Question:
Nominal data.
Answer:
A type of qualitative data that is categorized without a set order
Question:
Ordinal data.
Answer:
A type of qualitative data with a set order or scale
Question:
Structured data.
Answer:
Data organized in a certain format such as rows and columns
Question:
Unstructured data.
Answer:
Data that is not organized in an easily identifiable manner
, Question:
Data model.
Answer:
A model that is used for organizing data elements and how they relate to one another
Question:
Data elements.
Answer:
Pieces of information, such as people's names, account numbers, and addresses
Question:
Data modeling.
Answer:
The process of creating diagrams that visually represent how data is organized and structured
Question:
Levels of data modeling.
Answer:
1. Conceptual modeling 2. Logical data modeling 3. Physical data modeling
Question:
Physical data model.
Answer:
Defines all entities and attributes used.
VERIFIED SOLUTIONS
Question:
Population.
Answer:
All possible data values in a certain dataset
Question:
Sample.
Answer:
A part of the population that is representative of the population
Question:
First-party data.
Answer:
Data collected by an individual or group using their own resources
Question:
Second-party data.
Answer:
Data collected by a group directly from its audience and then sold
Question:
Third-party data.
,Answer:
Data collected from outside sources who did not collect it directly
Question:
Internal data (Primary data).
Answer:
Collected by a researcher from first-hand sources
Question:
External data (Secondary data).
Answer:
Gathered by other people or from other research
Question:
Quantitative data.
Answer:
Can be measured and counted using numbers (quantity, amount, range)
Question:
Qualitative data.
Answer:
Cannot be counted, measured or easily expressed in numbers (names, categories, descriptions)
Question:
Discrete data.
Answer:
,Data that is counted and has a limited number of values
Question:
Continuous data.
Answer:
Data that is measured and can have any numeric value
Question:
Nominal data.
Answer:
A type of qualitative data that is categorized without a set order
Question:
Ordinal data.
Answer:
A type of qualitative data with a set order or scale
Question:
Structured data.
Answer:
Data organized in a certain format such as rows and columns
Question:
Unstructured data.
Answer:
Data that is not organized in an easily identifiable manner
, Question:
Data model.
Answer:
A model that is used for organizing data elements and how they relate to one another
Question:
Data elements.
Answer:
Pieces of information, such as people's names, account numbers, and addresses
Question:
Data modeling.
Answer:
The process of creating diagrams that visually represent how data is organized and structured
Question:
Levels of data modeling.
Answer:
1. Conceptual modeling 2. Logical data modeling 3. Physical data modeling
Question:
Physical data model.
Answer:
Defines all entities and attributes used.
