P-Values (Leaving Cert Mathematics): Quizzes
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Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What does a p-value represent in hypothesis testing?
What does a p-value represent in hypothesis testing?
Probability of data as extreme, if true
What does the null hypothesis () state?
What does the null hypothesis () state?
There is no effect or no difference
What does the alternative hypothesis () represent?
What does the alternative hypothesis () represent?
A statement contradicting
If , what is the correct decision?
If , what is the correct decision?
Reject , strong evidence against it
If , what does this indicate?
If , what does this indicate?
Weak evidence against , not rejected
What are common significance levels () used?
What are common significance levels () used?
0.05 or 0.01
What is the first step in hypothesis testing?
What is the first step in hypothesis testing?
Formulate and
In Example 1, with and , what is the decision?
In Example 1, with and , what is the decision?
Reject
In Example 2, with and , what is the conclusion?
In Example 2, with and , what is the conclusion?
Fail to reject , insufficient evidence
What does the p-value measure, assuming is true?
What does the p-value measure, assuming is true?
Probability of observing data as extreme