Data Science and BI: Statistical Modelling and Visualization
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Questions and Answers

What is the lowest level of abstraction from which information and knowledge are derived?

  • Business reporting
  • Statistical modeling
  • Data (correct)
  • Inferential statistics

    • Which method is used to make real-world data analytics ready?

  • Business reporting
  • Statistical modeling (correct)
  • Inferential statistics
  • Descriptive statistics

    • What is critical to analytics in terms of data quality and integrity?

  • Images
  • Numbers
  • Words
  • Data quality and data integrity (correct)

    • What is a collection of facts obtained as the result of experiences, observations, or experiments?

    <p>Data (B)</p> Signup and view all the answers

    Which concept describes the relationship between statistical modeling and business analytics?

    <p>Real-world data analytics readiness (D)</p> Signup and view all the answers

    What is defined as a method used to derive information and knowledge from data?

    <p>Business reporting (C)</p> Signup and view all the answers

    Which of the following is an example of data content accuracy?

    <p>A scientific research paper that has gone through peer review and cross-verification (B)</p> Signup and view all the answers

    What type of data is considered rich in data?

    <p>Customer database with contact information, transaction history, preferences, feedback, and social media interactions (C)</p> Signup and view all the answers

    What does a sales analysis system with high granularity do?

    <p>Breaks down sales figures by individual SKU, store location, time of day, and customer demographics (C)</p> Signup and view all the answers

    Which example demonstrates maintaining data security and privacy?

    <p>Hospital implementing encryption and access control measures (B)</p> Signup and view all the answers

    In what context is data validity and relevance crucial?

    <p>Ensuring the data is valid and relevant to the research question in a study on new drug effects (B)</p> Signup and view all the answers

    Which type of data source reliability is exemplified by a reliable government health agency's reports on disease incidence rates?

    <p>Data content accuracy (B)</p> Signup and view all the answers

    What type of data ensures that the data is current and timely for traders making fast decisions?

    <p>Stock trading platform providing real-time market data feeds (B)</p> Signup and view all the answers

    Which example demonstrates maintaining data consistency?

    <p>'A multinational corporation using a centralized CRM system to manage contact information' (C)</p> Signup and view all the answers

    'An open data platform provided by a city council that allows residents to access real-time public transport schedules and city budget expenditures' is an example of what type of metric?

    <p>'Data accessibility' (B)</p> Signup and view all the answers

    What denotes an example of structured data?

    <p>Facts (C)</p> Signup and view all the answers

    What is the lowest level of abstraction from which information and knowledge are derived?

    <p>Data (C)</p> Signup and view all the answers

    Which type of data source reliability is exemplified by a reliable government health agency's reports on disease incidence rates?

    <p>Secondary data (C)</p> Signup and view all the answers

    What is critical to analytics in terms of data quality and integrity?

    <p>Data accuracy (A)</p> Signup and view all the answers

    What denotes an example of structured data?

    <p>A spreadsheet with clearly labeled columns and rows (B)</p> Signup and view all the answers

    'An open data platform provided by a city council that allows residents to access real-time public transport schedules and city budget expenditures' is an example of what type of metric?

    <p>Velocity metric (C)</p> Signup and view all the answers

    In what context is data validity and relevance crucial?

    <p>Business reporting (A)</p> Signup and view all the answers

    What type of data source reliability is exemplified by a hospital implementing encryption and access control measures to protect patients' medical records?

    <p>Data security and data privacy (A)</p> Signup and view all the answers

    In what context is data validity and relevance crucial?

    <p>Study on the effects of a new drug (D)</p> Signup and view all the answers

    What does a sales analysis system with high granularity do?

    <p>Breaks down sales figures by individual SKU, store location, time of day, and customer demographics (A)</p> Signup and view all the answers

    'An open data platform provided by a city council that allows residents to access real-time public transport schedules and city budget expenditures' is an example of what type of metric?

    <p>Data accessibility (A)</p> Signup and view all the answers

    What type of data ensures that the data is current and timely for traders making fast decisions?

    <p>Data currency/data timeliness (A)</p> Signup and view all the answers

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