Statistical Fundamentals Quiz
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Questions and Answers

Which of the following best describes the discipline of statistics?

  • The collection and organization of data
  • The analysis and interpretation of data (correct)
  • The study of populations and their characteristics
  • The planning of data collection
  • What is the purpose of using representative sampling in statistics?

  • To extend conclusions from the sample to the population (correct)
  • To collect census data
  • To design surveys and experiments
  • To manipulate the system under study
  • When census data cannot be collected, how do statisticians gather data?

  • By conducting surveys and experiments (correct)
  • By manipulating the system under study
  • By collecting data from diverse groups
  • By developing specific experiment designs
  • What is the first step in applying statistics to a problem?

    <p>Defining the statistical population</p> Signup and view all the answers

    What does an experimental study in statistics involve?

    <p>Manipulating the system under study</p> Signup and view all the answers

    Which type of statistical analysis infers properties of a population by testing hypotheses and deriving estimates?

    <p>Inferential statistics</p> Signup and view all the answers

    What is the process of using data analysis to infer properties of an underlying distribution of probability called?

    <p>Inferential statistics</p> Signup and view all the answers

    In machine learning, what is the term used to mean 'make a prediction, by evaluating an already trained model'?

    <p>Predictive inference</p> Signup and view all the answers

    What does descriptive statistics solely focus on?

    <p>Properties of the observed data</p> Signup and view all the answers

    What is the term used in machine learning when inferring properties of the model?

    <p>Machine learning</p> Signup and view all the answers

    Which type of statistics is solely concerned with properties of the observed data, without assuming it comes from a larger population?

    <p>Descriptive statistics</p> Signup and view all the answers

    What is the term used in machine learning to refer to making predictions using an already trained model?

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

    What is the process of using data analysis to infer properties of an underlying distribution of probability called?

    <p>Inferential statistics</p> Signup and view all the answers

    What does inferential statistical analysis do?

    <p>All of the above</p> Signup and view all the answers

    What is the term used in machine learning to refer to inferring properties of the model?

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

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