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 (B)</p> Signup and view all the answers

What is the opposite of confidence?

<p>Arrogance (B)</p> Signup and view all the answers

What can self-confidence be described as?

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

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