Statistical Inference and Hypothesis Testing-Characteristics of Good Estimator (ISS (Statistical Services) Statistics Paper II (New 2016 MCQ Pattern)): Questions 41 - 46 of 54

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Question number: 41

» Statistical Inference and Hypothesis Testing » Characteristics of Good Estimator

MCQ▾

Question

is an ________ where as is an ________

Choices

Choice (4) Response

a.

Estimate and an estimator

b.

Estimator and an estimate

c.

Question does not provide sufficient data or is vague

d.

All of the above

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 function, 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 of population parameter converges in probability to 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 , 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.

Question number: 46

» Statistical Inference and Hypothesis Testing » Characteristics of Good Estimator

MCQ▾

Question

Relative efficiency of an estimator as compared to is given as

Choices

Choice (4) Response

a.

b.

c.

d.

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