Errors in Hypothesis Testing Flashcards
1
Q
When is a Type I error made
A
When a true null hypothesis is rejected.
2
Q
When is a Type II error made
A
When a false null hypothesis isn’t rejected. (is accepted)
3
Q
When the distribution of a test statistic is continuous, what is the P(Type I error)
A
Equal to the significance level
4
Q
How to find the probability of a type 2 error for a continuous distribution ( μ< or >)
A
Use Z = Ẍ - μ / √variance/n.
This finds what μ is greater or less then.
