| 1 |
(1-α) is called: |
- A. Critical value
- B. Level of significance
- C. Level of confidence
- D. Interval estimate
|
| 2 |
A range of values within which the population parameter is expected: |
- A. Confidence interval
- B. Confidence coefficient
- C. Confidence limits
- D. Level of significance
|
| 3 |
An estimator is ------------ if its expected value is equal to the population parameter to be estimated |
- A. bad
- B. biased
- C. unbiased
- D. none of these
|
| 4 |
Statistical inference has two branches namely: |
- A. Level of confidence and degrees of freedom
- B. Biased estimator and unbiased estimator
- C. Point estimate and interval estimate
- D. Estimation of parameter and testing of hypothesis
|
| 5 |
The difference of upper and lower limits of confidence interval measures the |
- A. level of significance
- B. level of confidence
- C. interval
- D. precision
|
| 6 |
If mean of the sampling distribution is equal to the parameter then the estimator will be |
- A. biased
- B. consistent
- C. sufficient
- D. unbiased
|
| 7 |
The standard error of the estimate increased by decreasing |
- A. population
- B. sample size
- C. errors
- D. precision
|
| 8 |
Estimation is of two types: |
- A. One sides and two sides
- B. Type I and type II
- C. Point estimation and interval estimation
- D. Biased and unbiased
|
| 9 |
If population proportion (P) is unknown, the standard error of the sample proportion (p) can be estimated by the formula |
|
| 10 |
The endpoints of a confidence interval are called: |
- A. confidence coefficient
- B. Confidence limits
- C. Error of estimation
- D. Parameters
|
