Hypothesis testing Flashcards
What is a hypothesis?
A statement made about the value of a population parameter that is to be tested by collecting evidence in the form of a sample
What is the test statistic?
A statistic formed from evidence from a sample in a hypothesis test
What is the null hypothesis?
The hypothesis that there is no relationship between two variables, and that is assumed to be correct unless proved otherwise
How is the null hypothesis notated?
H₀
What is the alternative hypothesis?
The opposite to the null hypothesis
How is the alternative hypothesis notated?
H₁
What is the critical region?
The range of values that are so unlikely that they would lead to the rejection of the null hypothesis
What are the critical values?
The values on the boundary of the critical region
What is the level of significance?
The threshold probability that defines the critical region
How is the level of significance notated?
α
