| 1 |
The endpoints of a confidence interval are called: |
- A. confidence coefficient
- B. Confidence limits
- C. Error of estimation
- D. Parameters
|
| 2 |
The distance between an estimate and the estimated parameter is called: |
- A. Sampling error
- B. Standard error
- C. Bias
- D. Error of estimation
|
| 3 |
The process of making estimates about the population parameter from a sample is called: |
- A. Statistical independence
- B. Statistical inference
- C. Statistical hypothesis
- D. Statistical decision
|
| 4 |
By increasing the sample size, the precision of confidence interval is: |
- A. Decreased
- B. Increased
- C. Constant
- D. Unchanged
|
| 5 |
(1-α) is called: |
- A. Critical value
- B. Level of significance
- C. Level of confidence
- D. Interval estimate
|
| 6 |
If population proportion (P) is unknown, the standard error of the sample proportion (p) can be estimated by the formula |
|
| 7 |
A range of values used to estimate an unknown population parameter is |
- A. a point estimator
- B. An interval estimator
- C. an unbiased estimator
- D. A biased estimator
|
| 8 |
|
- A. biased
- B. unbiased
- C. positively biased
- D. none of these
|
| 9 |
Large sample contains more than |
- A. 5 values
- B. 10 values
- C. 20 values
- D. 30 values
|
| 10 |
Level of significance is denoted by |
- A. 2 - α
- B. 3 - α
- C. α
- D. 1 - α
|
