ISS Statistics Paper II (New 2016 MCQ Pattern): Questions 129 - 133 of 246
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Question number: 129
» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation
Question
If we increase the sample size and confidence interval at the same time then the length of the Confidence interval become
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | More |
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| b. | Cannot be determined from the given information |
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| c. | Remains the same |
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| d. | Smaller |
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Question number: 130
» Statistical Inference and Hypothesis Testing » Complete Statistics
Question
If is a family of distributions and is any statistic such that , then is called as
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Sufficient Statistics |
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| b. | Efficient Statistics |
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| c. | Complete Statistics |
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| d. | Consistent Estimator |
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Question number: 131
» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation
Question
Consider the general form of confidence interval for the mean .
In this expression is known as ………. and is known as ……………….
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Critical value, Standard Deviation |
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| b. | Control limit, variance |
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| c. | Point estimate, Standard Error |
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| d. | All of the above |
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Question number: 132
» Statistical Inference and Hypothesis Testing » Characteristics of Good Estimator
Question
If the expected value of an estimator is not equal to its parametric function , it is said to be a
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Unbiased estimator |
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| b. | Consistent estimator |
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| c. | Biased estimator |
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| d. | Sufficient estimator |
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Question number: 133
» Statistical Inference and Hypothesis Testing » Minimum Variance Unbiased Estimators
Question
Which of the following results are true for Minimum Variance Unbiased Estimator (MVUE) -
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | If nd are MVUE of and then will be an MVUE of |
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| b. | The correlation coefficient between a most efficient estimator and any other estimator with efficiency is . |
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| c. | MVUE is unique |
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| d. | All a. , b. and c. are correct |
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