Data Analysis: Recognizing and Addressing Problems
18 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the process of extracting information from raw data called?

  • Data processing
  • Data interpretation
  • Information extraction
  • Data analysis (correct)

    • Where do the data for data analysis come from?

  • Social media influencers
  • Television broadcasts
  • Fictional movies
  • Automatic detection systems and scientific instrumentation (correct)

    • What is the relationship between data and information?

  • Information can only come from human sources
  • Data is less important than information
  • Data is processed to extract information (correct)
  • Data and information are the same thing

    • Which process involves taking a certain dataset and deriving conclusions from it?

    <p>Data analysis</p> Signup and view all the answers

    In the context of data analysis, what is the raw material that needs to be processed?

    <p>Raw data</p> Signup and view all the answers

    How are huge amounts of data produced in today's world?

    <p>From automatic detection systems and sensors</p> Signup and view all the answers

    What is the purpose of developing techniques of graphic representation in data analysis?

    <p>To more easily understand the meaning of data</p> Signup and view all the answers

    What is the last phase of data analysis as described in the text?

    <p>Deployment</p> Signup and view all the answers

    Which phase of data analysis involves testing the model using a set of data with known responses?

    <p>Deployment</p> Signup and view all the answers

    What is the aim of comparing results with other models in data analysis?

    <p>To understand if the newly created model is more efficient than existing ones</p> Signup and view all the answers

    What do various methods of data visualization aim to achieve?

    <p>Represent data graphically for easier understanding</p> Signup and view all the answers

    What is the key role of graphical displays in data analysis?

    <p>To help predict system responses accurately</p> Signup and view all the answers

    What must a good analyst be able to do regarding smaller problems?

    <p>Recognize problems that arise during data analysis</p> Signup and view all the answers

    What is the key process to convert data into a set of rules for better understanding?

    <p>Knowledge conversion</p> Signup and view all the answers

    How can data be categorized based on their values or observations?

    <p>Continuously and discretely</p> Signup and view all the answers

    What distinguishes a nominal variable from an ordinal variable?

    <p>Nominal variables have no intrinsic order while ordinal variables have a predetermined order</p> Signup and view all the answers

    In what way do discrete values differ from continuous values?

    <p>Discrete values are distinct and separated while continuous values are interconnected</p> Signup and view all the answers

    What is the essential function of numerical data?

    <p>They help in making informed decisions</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser