Introduction to Data Science Quiz
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Questions and Answers

Which of the following is an example of qualitative data?

  • The number of students in a class
  • The temperature in degrees Celsius
  • The sales revenue of a company
  • The type of music a person listens to (correct)
  • What is the primary characteristic of qualitative or categorical data?

  • It can be measured or counted in the form of numbers
  • It consists of audio, images, symbols, or text
  • It is sorted by category, not by number (correct)
  • It is high dimensional data
  • What does qualitative data help market researchers understand?

  • Customers' ages and genders
  • Sales revenue trends
  • Profit margins
  • Customers' tastes and perceptions (correct)
  • What are the examples of qualitative data mentioned in the text?

    <p>Audio, images, symbols, and text</p> Signup and view all the answers

    Which step used in Data Science involves understanding the customers' tastes and perceptions?

    <p>Exploratory data analysis</p> Signup and view all the answers

    What is an example of qualitative data?

    <p>Opinion on something (agree, disagree, or neutral)</p> Signup and view all the answers

    Which type of data can't be measured or counted in the form of numbers?

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

    Which step in Data Science involves understanding the customers' tastes and perceptions?

    <p>Exploratory data analysis</p> Signup and view all the answers

    What does qualitative or categorical data consist of?

    <p>Audio, images, symbols, or text</p> Signup and view all the answers

    Which type of data helps market researchers understand the customers’ tastes and then design their ideas and strategies accordingly?

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

    Study Notes

    Qualitative Data

    • An example of qualitative data is opinions, attitudes, and beliefs.
    • The primary characteristic of qualitative or categorical data is that it cannot be measured or counted in the form of numbers.
    • Qualitative data helps market researchers understand the customers' tastes and perceptions.
    • Examples of qualitative data mentioned in the text are opinions, attitudes, and beliefs.
    • The step in Data Science that involves understanding the customers' tastes and perceptions is understanding the customers' tastes and perceptions.
    • Qualitative data can't be measured or counted in the form of numbers.
    • The step in Data Science that involves understanding the customers' tastes and perceptions is also the step that helps market researchers design their ideas and strategies accordingly.
    • Qualitative or categorical data consists of non-numerical data.
    • Qualitative data helps market researchers understand the customers’ tastes and then design their ideas and strategies accordingly.

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    Test your knowledge on the basics of data science including the applications of data science, types of data, classification of digital data, sources of data, and steps used in data science.

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