hypothesis testing

Question 1

Null Hypothesis definition

Answer 1

the main hypothesis to be tested

Question 2

Alternative Hypothesis definition

Answer 2

any other hypothesis to test the null hypothesis against

Question 3

Level of Significance definition

Answer 3

the probability of :
- wrongly rejecting the null hypothesis OR
- rejecting the nul hypothesis given that the null hypothesis is true

Question 4

P-Value definition

Answer 4

the probability of obtaining a test statistic value that is equal to/more extreme than the one observed/calculated

Question 5

Critical Region definition

Answer 5

the set of values of test statistic , z, under which the null hypothesis is rejected

Question 6

Critical Values definition

Answer 6

the value of the boundaries of the critical region

Question 7

Conclusion template

Answer 7

there is sufficient/insufficient at [level of significance] to claim that the alternative hypothesis is true

thus, reject/do not reject the null hypothesis