ISS (Statistical Services) Statistics Paper II (New 2016 MCQ Pattern): Questions 164 - 168 of 253

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Question number: 164

» Statistical Inference and Hypothesis Testing » Factorization Theorem

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MCQ▾

Question

Factorization theorem for sufficiency is known as

Choices

Choice (4) Response

a.

Fisher-Neyman Theorem

b.

Bernoulli Theorem

c.

Cramer-Rao Theorem

d.

Rao-Blackwell Theorem

Question number: 165

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

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MCQ▾

Question

Suppose there is a survey carried out on 200 persons and the calculated mean and Standard Deviation are 5.83 and 0.86 respectively, then the confidence interval of 95 % of the population mean would be

Choices

Choice (4) Response

a.

b.

c.

d.

All of the above

Question number: 166

» Statistical Inference and Hypothesis Testing » Characteristics of Good Estimator

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MCQ▾

Question

Relative efficiency of an estimator as compared to is given as

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 167

» Statistical Inference and Hypothesis Testing » Cramer-Rao Inequality

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MCQ▾

Question

Cramer-Rao inequality with regard to the variance of an estimator provides

Choices

Choice (4) Response

a.

Lower bond on the variance

b.

Asymptotic variance of an estimator

c.

Upper bound on the variance

d.

All of the above

Question number: 168

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

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MCQ▾

Question

If and are the mean and standard deviation of a random sample from a Normal distribution with unknown variance , a percent confidence interval on is given by

Choices

Choice (4) Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague