ISS Statistics Paper II (New 2016 MCQ Pattern): Questions 200 - 203 of 246
Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 246 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.
Rs. 200.00 or
Question number: 200
» Statistical Inference and Hypothesis Testing » Sufficient Estimator
Question
Let be a random sample from . Then the sufficient estimator for is
Choices
| Choice (4) | Response | |
|---|---|---|
| a. |
|
|
| b. |
|
|
| c. |
|
|
| d. | Question does not provide sufficient data or is vague |
|
Question number: 201
» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation
Question
Degrees of freedom for the mean in case of large sample size is…………; and in case of for the small sample size is……. .
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | and n |
|
| b. | and |
|
| c. | and |
|
| d. | and |
|
Question number: 202
» Statistical Inference and Hypothesis Testing » Characteristics of Good Estimator
Question
In a class of consistent estimators for a parameter, which one will you consider as the most efficient estimator?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | One whose mean and variance both are less than the other estimators. |
|
| b. | One whose sampling variance is less than the other estimators. |
|
| c. | One whose mean is less than the other estimators. |
|
| d. | Question does not provide sufficient data or is vague |
|
Question number: 203
» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation
Question
It is given that , , . Then the Confidence Interval at is given by
Choices
| Choice (4) | Response | |
|---|---|---|
| a. |
|
|
| b. |
|
|
| c. | Both a. and b. are correct |
|
| d. | Question does not provide sufficient data or is vague |
|