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Basic Question 0 of 5

For the hypothesis test below, where the decision is whether to reject H0, then a ______ error could have occurred.

A. Type I
B. alpha
C. Type II

User Contributed Comments 3

User Comment
euniceyew how to know is type 1?
any calculation required?
can anyone explain further?
SuperKnight You know its type 1 because a decision to reject the null hypothesis has been made, the other (Type II error) occurs when you fail to reject the null hypothesis. Either decision, rejecting or failing to reject the null hypothesis will always leave you open to one of the errors.
bhaynes If we ever reject the Null, then there is a possible Type I error.

Not rejecting = possible Type II error
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I am using your study notes and I know of at least 5 other friends of mine who used it and passed the exam last Dec. Keep up your great work!
Barnes

Barnes

Learning Outcome Statements

explain hypothesis testing and its components, including statistical significance, Type I and Type II errors, and the power of a test

CFA® 2024 Level I Curriculum, Volume 1, Module 8.