ISS (Statistical Services) Statistics Paper II (New 2016 MCQ Pattern): Questions 137 - 141 of 253
Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 253 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.
Rs. 200.00 or
How to register?
Question number: 137
» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation
Question
It is given that , and . Then the 95 % Confidence Interval for is
Choices
| Choice (4) | Response | |
|---|---|---|
| a. |
|
|
| b. |
|
|
| c. |
|
|
| d. |
|
|
Question number: 138
» Statistical Inference and Hypothesis Testing » Minimum Variance Unbiased Estimators
Question
If and are two estimators for , such that and , then
Choices
| Choice (4) | Response | |
|---|---|---|
| a. |
|
|
| b. |
|
|
| c. | Either or |
|
| d. | Question does not provide sufficient data or is vague |
|
Question number: 139
» Statistical Inference and Hypothesis Testing » Moments and Least Squares
Question
Generally the estimators obtained by the method of moments as compared to Maximum Likelihood estimators are:
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Less Efficient |
|
| b. | More Efficient |
|
| c. | Equally Efficient |
|
| d. | Question does not provide sufficient data or is vague |
|
Question number: 140
» Statistical Inference and Hypothesis Testing » Cramer-Rao Inequality
Question
Which of the following options is appropriate for the Cramer-Rao Inequality, where
is an unbiased estimator -
Choices
| Choice (4) | Response | |
|---|---|---|
| a. |
|
|
| b. |
|
|
| c. |
|
|
| d. |
|
|
Question number: 141
» Statistical Inference and Hypothesis Testing » Characteristics of Good Estimator
Question
For a normal population , the variance of the sample mean and sample variance are given . Then the efficiency of median against mean is
Choices
| Choice (4) | Response | |
|---|---|---|
| a. |
|
|
| b. |
|
|
| c. |
|
|
| d. |
|
|