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Probability of Type I and Type II errors - A2 A Level Statistics 9ST0 Flashcards | StudBud

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Probability of Type I and Type II errors - A2 A Level Statistics 9ST0

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Year 13 content for A Level Statistics - finding probabilities of Type I and Type II errors Thanks to finenets for some of the questions. Edexcel Pearson A Level Statistics 9ST0

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Questions 6

Answers

1
To AVOID the possibility of a TYPE II error:
Neither
Decrease α
Increase α
Decrease the confidence level
2
What Type of error is possible?
Rejecting Ho:
Type I
Type II
Failing to reject Ho: <br>
3
What type of error is possible?
Failing to reject the Null
Type II
Rejecting the Null
Type I
4
What might be the consequence of a Type II error?
The river's ecosystem is enhanced
The river's ecosystem is negatively affected
Fails to reject the NULL
In this situation a TYPE II error is not possible
5
What can we do to try and avoid a TYPE I mistake?
Errors in this context are not possible
Not able to be determined
Decrease α to .01
Increase α to .10
6
To AVOID the possibility of a TYPE I error:
Not possible
Increase α
Increase Power
Decrease α