ISS (Statistical Services) Statistics Paper II (New 2016 MCQ Pattern): Questions 137 - 141 of 246

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Question number: 137

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

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

MCQ▾

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

MCQ▾

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

MCQ▾

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

MCQ▾

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.

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