Statistical Inference and Hypothesis Testing-Characteristics of Good Estimator (ISS Statistics Paper II (New 2016 MCQ Pattern)): Questions 24 - 27 of 54

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Question number: 24

» Statistical Inference and Hypothesis Testing » Characteristics of Good Estimator

MCQ▾

Question

A random sample Equation of size 5 is drawn from a normal population with mean Equation and Equation . And if Equation , Equation , Equation Which one is the best estimator in terms of variance?

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

All of the above

Question number: 25

» Statistical Inference and Hypothesis Testing » Characteristics of Good Estimator

MCQ▾

Question

If Equation is the variance of a random sample from an infinite population with mean μ and finite variance Equation . Then Equation is -

Choices

Choice (4) Response

a.

Biased estimator of Equation

b.

Equation

c.

Unbiased estimator of Equation

d.

Question does not provide sufficient data or is vague

Question number: 26

» Statistical Inference and Hypothesis Testing » Characteristics of Good Estimator

MCQ▾

Question

Let Equation be a random sample of size n from a large population Equation with mean μ and variance Equation . Which of the following statement is correct?

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

All of the above

Question number: 27

» Statistical Inference and Hypothesis Testing » Characteristics of Good Estimator

MCQ▾

Question

If Equation , _is a random sample of size n, from Equation , a statistic

Equation is an unbiased estimator of Equation if Equation

Choices

Choice (4) Response

a.

If Equation

b.

If Equation

c.

If Equation

d.

If Equation

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