| 1 |
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
|
| 2 |
Types of statistical inferences are |
- A. one
- B. two
- C. three
- D. four
|
| 3 |
Level of significance is denoted by |
- A. 2 - α
- B. 3 - α
- C. α
- D. 1 - α
|
| 4 |
The difference of upper and lower limits of confidence interval measures the |
- A. level of significance
- B. level of confidence
- C. interval
- D. precision
|
| 5 |
A single value used to estimate a population value is called: |
- A. Interval estimate
- B. Point estimate
- C. Confidence interval
- D. Level of confidence
|
| 6 |
The distance between an estimate and the estimated parameter is called: |
- A. Sampling error
- B. Standard error
- C. Bias
- D. Error of estimation
|
| 7 |
If the observations are paired and the number of pairs is n, then the number of degree of freedom is equal to |
- A. n
- B. n - 1
- C. 2n
- D. 2n - 1
|
| 8 |
If 1-α = 0.90, the value of Z<sub>a/2</sub> is: |
- A. 1.645
- B. 1.96
- C. 2.326
- D. 2.575
|
| 9 |
Large sample contains more than |
- A. 5 values
- B. 10 values
- C. 20 values
- D. 30 values
|
| 10 |
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
|
