Hypothesis Testing Quiz
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Questions and Answers

What is the purpose of hypothesis testing?

  • To estimate the size of the effect
  • To determine if there is an effect (correct)
  • To compare different groups
  • To calculate sampling error
  • What is the key focus of hypothesis testing?

  • Calculating the probability of an event
  • Identifying sampling errors
  • Distinguishing real effects from those based on chance alone (correct)
  • Estimating population parameters
  • What is the purpose of null and alternative hypotheses in hypothesis testing?

  • To provide competing explanations for the observed phenomenon (correct)
  • To identify sampling errors
  • To calculate the probability of Type I error
  • To estimate the effect size
  • In the context of the polio vaccine example, what does hypothesis testing aim to determine?

    <p>If the vaccine worked or if the difference is due to chance</p> Signup and view all the answers

    What does hypothesis testing use to compare data and make decisions?

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

    Is Lab 1 scheduled for this Friday?

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

    Will both Lab 2 and Lab 3 be available to work on during the session on October 20?

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

    Are both Lab 2 and Lab 3 due on October 27?

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

    Does hypothesis testing compare data to what we would expect to see if the null hypothesis were false?

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

    Is the purpose of null and alternative hypotheses in hypothesis testing related to failure to reject the null hypothesis?

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

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