42 If a test of hypothesis has a Type I error of 01 we mean

42. If a test of hypothesis has a Type I error of .01, we mean

a) If the null hypothesis is true, we don’t reject it 1% of the time.

b) If the null hypothesis is true, we reject it 1% of the time.

c) If the null hypothesis is false, we don’t reject if 1% of the time.

d) If the null hypothesis is false, we reject it 1% of the time.

47. If a 1% level of significance is used to test a null hypothesis, there is a probability of __________ of rejecting the null hypothesis when it is true.

a) .995

b) .990

c) .010

d) .005

48 The region of rejection for a one-tailed test is

a) Always less than .05.

b) Always smaller than that for any two-tailed test.

c) Found in the tail which supports the null hypothesis.

d) Found in the tail which supports the alternative hypothesis.

48 The region of rejection for a one-tailed test is

a) Always less than .05.

b) Always smaller than that for any two-tailed test.

c) Found in the tail which supports the null hypothesis.

d) Found in the tail which supports the alternative hypothesis.

53. The statement of the __________________hypothesis never contains an equality.

a) Ho

b) H1

c) Null hypothesis

d) Critical value

54. The __________________ separates the region of rejection from the region of non rejection.

a) Ho

b) H1

c) Test Statistic

d) Critical value

Solution

42)

b) If the null hypothesis is true, we reject it 1% of the time.

47)c) .010

48)

d) Found in the tail which supports the alternative hypothesis.

53)

b) H1 (alternative hypothesis)

54)

d) Critical value