Types of Statistics and Population vs Sample
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Questions and Answers

What does the statistic '9' represent in the context of Whirlpool washing machine owners?

  • The average number of washing machines reported as faulty.
  • The number of problems out of every 100 machines. (correct)
  • The total number of washing machines with reported issues.
  • The percentage of washing machines with problems.

    • In the context of inferential statistics, what is a population?

  • The entire group of individuals, objects, or measurements of interest. (correct)
  • The characteristic being studied is non-numeric.
  • An estimate or prediction about a sample.
  • A portion or part of the sample of interest.

    • Which of the following is an example of a quantitative variable?

  • Type of automobile owned
  • Religious affiliation
  • State of birth
  • Balance in your checking account (correct)

    • Which of the following best describes a discrete variable?

    <p>It can only assume certain values with 'gaps' between them.</p> Signup and view all the answers

    What type of variable is the time it takes to fly from Toledo to New York?

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

    Which of the following is not a characteristic of data at the nominal level of measurement?

    <p>Involves data that may be arranged in some order, but differences between data values cannot be determined.</p> Signup and view all the answers

    What is the key difference between interval and ratio levels of measurement?

    <p>Ratio level has an inherent zero starting point, while interval level does not.</p> Signup and view all the answers

    Which of the following is an example of ratio level measurement?

    <p>Heights of NBA players</p> Signup and view all the answers

    In the taste test example, which cola was ranked number 3?

    <p>Cola A</p> Signup and view all the answers

    Why is the Fahrenheit scale an example of interval level measurement?

    <p>Meaningful differences can be determined between temperature values</p> Signup and view all the answers

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