Week 5 & 6: Hypothesis testing - Student's T-tests Flashcards
1
Q
What is statistical inference? What are two application of statistical inference?
A
The process by which we acquire information about a populations from samples. Two types of applications are:
1)
2
Q
What is a type 1 error?
A
When you reject the null with insufficient evidence to do so.
3
Q
What is a type 2 error?
A
When you don’t rejectthe null with sufficient evidence to do so.
4
Q
What is the rejection region?
A
All values of test statistic for which H0 will be rejected.
5
Q
What is the acceptance region?
A
All values of test statistic for which H0 will be accepted.
6
Q
What is the critical value?
A
The value that separates rejection region from acceptance region?
7
Q
A
