Hypothesis Testing (1) Flashcards
What does H_0 represent?
Null hypothesis
Null hypothesis
What does H_0 represent?
What does H_1 represent?
Alternative hypothesis
Alternative hypothesis
What does H_1 represent?
What is the significance level?
The probability of incorrectly rejecting H_0
The probability of incorrectly rejecting H_0
What is the significance level?
One-tail test example
H_0: P = 0.6
H_1: P<0.6 or P>0.6
H_0: P = 0.6
H_1: P<0.6 or P>0.6
One-tail test example
Two-tail test example
P != 0.6. Significance level is halved
P != 0.6. Significance level is halved
Two-tail test example
If value is in critical region
Reject H_0
Reject H_0
If value is in critical region
If value is in acceptance region?
Fail to reject H_0
Fail to reject H_0
If value is in acceptance region?
PMCC process
Let p be the population correlation coefficient
H_0: p=0
H_1: p!=0
Sample product moment correlation coefficient > critical value
Fail to reject the null hypothesis
Hypothesis test process
Let p be the probability of…
Define H_0 and H_1
State binomial distribution and go to binomial CD on calculator
Compare calculated probabilities with significance level
Reject or fail to reject statement
Concluding statement
Hypothesis test process (critical region method)
Let p be the probability of…
Define H_0 and H_1
State binomial distribution and go to binomial CD then list on calculator
Find where the values change signs because of the critical region
State which values are in the critical region
Reject or fail to reject statement
Concluding statement
