Question

16.)

If p-value is 0.07 and α = 0.01 would you

a) fail to reject the null hypothesis

b) reject the null hypothesis

18.)

The dean of CCP wants to determine whether the mean starting salary of graduates of the is greater than $40000. She will perform the test with the following hypotheses:

H 0 μ = 40000 H 1 μ > 40000

Suppose that the true mean is $50000 and the dean rejects the null hypothesis. Is this

a) correct decision

b) Type I error

c) Type II error

19.)

The dean of CCP wants to determine whether the mean starting salary of graduates of the is greater than $40000. She will perform the test with the following hypotheses:

H 0 μ = 40000 H 1 μ > 40000

Suppose that the true mean is $50000 and the dean does not reject the null hypothesis. Is this

a) correct decision

b) Type I error

c) Type II error

20.) A test of hypotheses H 0 μ = 15 versus H 1 μ ≠ 15 was performed. The p-value was 0.027. Fill in the blank: If μ = 15, then the probability of observing a test statistic as extreme as or more extreme than actually observed is

21)

A hypothesis test result in a p-value of 0.007. Which is the best conclusion?

a) null hypothesis might be true but it is very unlikely

b) null hypothesis might be false but it is very unlikely

c) null hypothesis is plausible

d) No answer text provided.

e) No answer text provided.

f) null hypothesis is definitely false

g) null hypothesis is definitely true

Answer 1

16)p-value is>0.01 significance level.

a) fail to reject the null hypothesis . option A is correct.

18) the true mean is $50000 and the dean rejects the null hypothesis.

a) correct decision . option A is correct.

19) the true mean is $50000 and the dean does not reject the null hypothesis.

c) Type II error. option C is correct.

20) If μ = 15, then the probability of observing a test statistic as extreme as or more extreme than actually observed is 2.70% . This is the intrepretation of p-value.

21)A hypothesis test result in a p-value of 0.007. The best conclusion is null hypothesis is definitely false due to p-value less than 0.05 . which is 0.07