Lesson 1.1 - Random Variables in Statistics
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Questions and Answers

Which term refers to a noun that can be quantified or counted with a number?

  • Continuous random variable
  • Mass noun
  • Count noun (correct)
  • Discrete random variable

    • What is the main focus of the module mentioned in the text?

  • Discussing the concept of random variables (correct)
  • Exploring elementary English topics
  • Identifying types of mass nouns
  • Understanding countable and non-countable nouns

    • In the context of random variables, what does 'discrete' refer to?

  • Continuous values
  • Non-quantifiable values
  • Non-countable values
  • Quantifiable values (correct)

    • Which type of random variable is not countable?

    <p>Continuous random variable</p> Signup and view all the answers

    Can you provide a real-life example of a discrete random variable?

    <p>Number of students in a classroom</p> Signup and view all the answers

    What is the key difference between discrete and continuous random variables?

    <p>Discrete variables are countable, while continuous variables are not.</p> Signup and view all the answers

    What is the definition of a random variable?

    <p>A rule that associates a real number to each element in the sample space</p> Signup and view all the answers

    Which of the following represents a discrete random variable?

    <p>The number of goals scored in a football match</p> Signup and view all the answers

    Which of these is an example of a continuous random variable?

    <p>The time taken to complete a race</p> Signup and view all the answers

    What type of random variable assumes a finite or countable number of values?

    <p>Discrete random variable</p> Signup and view all the answers

    If the length of cord on an electric fan is considered, what type of random variable is it?

    <p>Continuous random variable</p> Signup and view all the answers

    What would be an example of a discrete random variable?

    <p>The number of pages in a book</p> Signup and view all the answers

    Which type of random variable assumes an uncountable number of values?

    <p>Continuous random variable</p> Signup and view all the answers

    What is a key characteristic of a discrete random variable?

    <p>It assumes a finite or countable number of values</p> Signup and view all the answers

    Which of the following is an example of a discrete random variable?

    <p>The number of soda bottles that Mang Celso collects each day</p> Signup and view all the answers

    What is a function or rule that assigns a number to each outcome of an experiment?

    <p>Random variable</p> Signup and view all the answers

    Which term describes a quantitative random variable that assumes a finite or countable number of values?

    <p>Discrete random variable</p> Signup and view all the answers

    In the context of statistics and probability, what does a continuous random variable imply?

    <p>It can take on any value within an interval</p> Signup and view all the answers

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