Statistical Inference and Hypothesis Testing-Characteristics of Good Estimator (ISS (Statistical Services) Statistics Paper II (New 2016 MCQ Pattern)): Questions 42 - 46 of 54

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Question number: 42

» Statistical Inference and Hypothesis Testing » Characteristics of Good Estimator

MCQ▾

Question

Efficiency of sample mean as compared to median as an estimate of the mean of a normal population is

Choices

Choice (4) Response

a.

64 percent

b.

157 percent

c.

360 percent

d.

22 percent

Question number: 43

» Statistical Inference and Hypothesis Testing » Characteristics of Good Estimator

MCQ▾

Question

If the expected value of an estimator is not equal to its parametric functionEquation , it is said to be a

Choices

Choice (4) Response

a.

Unbiased estimator

b.

Consistent estimator

c.

Biased estimator

d.

Sufficient estimator

Question number: 44

» Statistical Inference and Hypothesis Testing » Characteristics of Good Estimator

MCQ▾

Question

If an estimator Equation of population parameter Equation converges in probability to Equation as n tends to infinity is said to be

Choices

Choice (4) Response

a.

Efficient

b.

Consistent

c.

Unbiased

d.

Sufficient

Question number: 45

» Statistical Inference and Hypothesis Testing » Characteristics of Good Estimator

MCQ▾

Question

For a normal population Equation , the variance of the sample mean and sample variance are given Equation Equation . Then the efficiency of median against mean is

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 46

» Statistical Inference and Hypothesis Testing » Characteristics of Good Estimator

MCQ▾

Question

Relative efficiency of an estimator Equation as compared to Equation is given as

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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