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Chapter 7 - Hypothesis Testing - Finding Critical Values
7問 • 2年前
  • Oluwole Akande
  • 通報

    問題一覧

  • 1

    What is a Critical Region

    A region of a probability distribution which causes the null hypothesis to be rejected, if the test statistic falls within it

  • 2

    How is the Critical Region found

    By finding the cumulative probability (from the lowest or highest value) that is nearest to the significance level but doesn't reach it

  • 3

    What is the Critical Value

    The first value to fall inside the critical region

  • 4

    How many Critical Regions are there in a two tailed test

    2

  • 5

    What is the "Actual Significance Level" of a test

    The probability of incorrectly rejecting the null hypothesis

  • 6

    How is the Actual Significance Level calculated

    By finding the probability that the test statistic falls within the critical region(s)

  • 7

    How do you calculate the Critical Region

    Assume H0 is true, Use the Binomial CD tool and enter N and p, If the test is one tailed, find the probability that is nearest to the significance level without exceeding it , The corresponding x value is the critical value - use this to state the critical region, If the test is two tailed, find the probability that is nearest to the significance level without exceeding it, Then find the probability that is nearest to 1 - Significance Level that is above it , The corresponding x values are the critical values - use this to state the critical region

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    問題一覧

  • 1

    What is a Critical Region

    A region of a probability distribution which causes the null hypothesis to be rejected, if the test statistic falls within it

  • 2

    How is the Critical Region found

    By finding the cumulative probability (from the lowest or highest value) that is nearest to the significance level but doesn't reach it

  • 3

    What is the Critical Value

    The first value to fall inside the critical region

  • 4

    How many Critical Regions are there in a two tailed test

    2

  • 5

    What is the "Actual Significance Level" of a test

    The probability of incorrectly rejecting the null hypothesis

  • 6

    How is the Actual Significance Level calculated

    By finding the probability that the test statistic falls within the critical region(s)

  • 7

    How do you calculate the Critical Region

    Assume H0 is true, Use the Binomial CD tool and enter N and p, If the test is one tailed, find the probability that is nearest to the significance level without exceeding it , The corresponding x value is the critical value - use this to state the critical region, If the test is two tailed, find the probability that is nearest to the significance level without exceeding it, Then find the probability that is nearest to 1 - Significance Level that is above it , The corresponding x values are the critical values - use this to state the critical region