ISS (Statistical Services) Statistics Paper II (New 2016 MCQ Pattern): Questions 200 - 203 of 246
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Question number: 200
» Statistical Inference and Hypothesis Testing » Sufficient Estimator
Question
Let be a random sample from . Then the sufficient estimator for is
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| Choice (4) | Response | |
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| b. |
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| c. |
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| d. | Question does not provide sufficient data or is vague |
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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……. .
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| Choice (4) | Response | |
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| a. | and n |
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| b. | and |
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| c. | and |
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| d. | and |
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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?
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| Choice (4) | Response | |
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| a. | One whose mean and variance both are less than the other estimators. |
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| b. | One whose sampling variance is less than the other estimators. |
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| c. | One whose mean is less than the other estimators. |
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| d. | Question does not provide sufficient data or is vague |
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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 | |
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| a. |
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| b. |
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| c. | Both a. and b. are correct |
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| d. | Question does not provide sufficient data or is vague |
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