1 |
If we reject Ho when Ho is actually true then it is |
- A. type - I error
- B. type - II error
- C. type - III error
- D. type - IV error
|
2 |
Given=μ0 = 170, X̅ = 190,σ = 36 and n = 9; which statistic is appropriate? |
|
3 |
If critical region is located equally in both tails of the sampling distribution of test statistic, the test is called ------------- test |
- A. one tailed
- B. two tailed
- C. left tailed
- D. right tailed
|
4 |
A statistic on the basis of which a decision is made about the hypothesis of interest is called |
- A. critical region
- B. test statistic
- C. parameter
- D. rejection region
|
5 |
A statistical hypothesis is an assertion or conjecture about the distribution of random variables |
- A. one
- B. two
- C. one or more
- D. three
|
6 |
1 -&=nbsp;α is call: |
- A. Confidence coefficient
- B. Power of the test
- C. Size of the test
- D. Level of significance
|
7 |
A hypothesis that specifies all the value of parameter is called: |
- A. Statistical hypothesis
- B. Simple hypothesis
- C. Composite hypothesis
- D. None of these
|
8 |
If the null hypothesis is false, we many accept it leading to a ----------- decision |
- A. true
- B. correct
- C. wrong
- D. none of these
|
9 |
An automobile is driven on the average on more than 1600 kilometers per year, the null hypothesis is |
- A. H<sub>o</sub> : μ = 16000 kilometers
- B. H<sub>o</sub> : μ ≤ 16000 kilometers
- C. H<sub>o</sub> : μ < 16000 kilometers
- D. H<sub>o</sub> : μ > 16000 kilometers
|
10 |
The degree of confidence is equal to: |
- A. β
- B. 1 - β
- C. 1 - α
- D. α
|