ISS (Statistical Services) Statistics Paper II (New 2016 MCQ Pattern): Questions 217 - 220 of 253

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Question number: 217

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

Question

Let be a random sample and and be any two statistics such that , then the confidence limits for a parametric function of can be obtained by the relation

Choices

Choice (4) Response

a.

and

b.

and

c.

and

d.

Question does not provide sufficient data or is vague

Question number: 218

» Statistical Inference and Hypothesis Testing » Characteristics of Good Estimator

MCQ▾

Question

An estimator is considered to be the best if its distribution is

Choices

Choice (4) Response

a.

Concentrated about the true parameter value

b.

Normal

c.

Discrete

d.

Continuous

Question number: 219

» Statistical Inference and Hypothesis Testing » Sufficient Estimator

MCQ▾

Question

If a statistic provides as much information as the random variable could provide, Then T is a ________ Statistic

Choices

Choice (4) Response

a.

Efficient

b.

Unbiased

c.

Sufficient

d.

Consistent

Question number: 220

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

Question

Confidence intervals for the parameters , of the Normal distribution having density function, in case of unknown variance , is given by

Choices

Choice (4) Response

a.

b.

c.

d.

None of the above

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