| 1 |
The power of the test is equal to: |
- A. α
- B. 1 - α
- C. β
- D. 1 - β
|
| 2 |
The degree of confidence is equal to: |
- A. β
- B. 1 - β
- C. 1 - α
- D. α
|
| 3 |
The choice of one-tailed test and two tailed test depends upon: |
- A. Composite hypothesis
- B. Null hypothesis
- C. Alternative hypothesis
- D. Simple hypothesis
|
| 4 |
Hypothesis that does not completely specify the underlying population distribution is called |
- A. simple hypothesis
- B. dual hypothesis
- C. composite hypothesis
- D. common hypothesis
|
| 5 |
An example in a two-sided, alternative hypothesis is: |
- A. H<sub>1</sub> :u < 0
- B. H<sub>1</sub> : u > 0
- C. H<sub>1</sub> L u <u>></u> 0
- D. H<sub>1</sub> : u ≠ 0
|
| 6 |
Suppose that the null hypothesis is true and it is rejected, is known as: |
- A. α type-I error, and its probability is β
- B. α type-I error, and its probability is α
- C. α type-II error, and its probability is α
- D. α type-II error, and its probability is β
|
| 7 |
If Ho:π >πo , H1:π <πo and level of significance is=α then Ho will be rejected if |
- A. Z < Z=α
- B. Z=α/2 < Z
- C. Z > Z1-α
- D. Z < Z1-α
|
| 8 |
If Ho: μ <μoand H1:μ <μoand level of significance is=α then Ho will be rejected if |
- A. Z < Z=α
- B. Z < Z=α/2
- C. Z < Z 1-α
- D. Z < Z1-α/2
|
| 9 |
A region for which the H<sub>o</sub> is rejected is called |
- A. acceptance region
- B. rejection region
- C. critical region
- D. both b and c
|
| 10 |
Given=μ0 = 170, X̅ = 190,σ = 36 and n = 9; which statistic is appropriate? |
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