Type 1 and Type 2 errors

Flashcard
•
Mathematics
•
11th - 12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a Type I error?
Back
Rejecting a true null hypothesis.
2.
FLASHCARD QUESTION
Front
What is a Type II error?
Back
Failing to reject a false null hypothesis.
3.
FLASHCARD QUESTION
Front
What is the Power of a test?
Back
The probability that we correctly reject a false null.
4.
FLASHCARD QUESTION
Front
What is a null hypothesis (H0)?
Back
A statement that there is no effect or no difference, and it is the hypothesis that the test aims to reject.
5.
FLASHCARD QUESTION
Front
What is an alternative hypothesis (H1)?
Back
A statement that indicates the presence of an effect or a difference.
6.
FLASHCARD QUESTION
Front
What is the significance level (alpha)?
Back
The probability of making a Type I error, commonly set at 0.05.
7.
FLASHCARD QUESTION
Front
What does it mean to reject the null hypothesis?
Back
It means that the evidence suggests that the null hypothesis is not true.
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