42. If a test of hypothesis has a Type I error of .01, we mean a) If the null hy
ID: 3437963 • Letter: 4
Question
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
Explanation / Answer
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
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