Confidence Intervals in Frequentist Statistics
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Questions and Answers

Which of the following factors affects the width of a confidence interval?

  • The sample size
  • The confidence level
  • The variability in the sample
  • All of the above (correct)

    • What does the confidence level represent in a confidence interval?

  • The long-run proportion of CIs that contain the true value of the parameter (correct)
  • The range of estimates for an unknown parameter
  • The designated level at which the CI is computed
  • The proportion of CIs that contain the true value of the parameter

    • Which confidence level is most commonly used for computing confidence intervals?

  • 90%
  • 95% (correct)
  • 99%
  • None of the above

    • Which word best describes confidence that is based on evidence and reason?

    <p>Self-assurance</p> Signup and view all the answers

    What is the opposite of confidence?

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

    What can self-confidence be described as?

    <p>A personal judgment</p> Signup and view all the answers

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