ISS (Statistical Services) Statistics Paper II (New 2016 MCQ Pattern): Questions 47 - 50 of 246

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Question number: 47

» Statistical Inference and Hypothesis Testing » Characteristics of Good Estimator

MCQ▾

Question

Let Equation be a random sample from a uniform population on [0, Equation ]. Then the sufficient estimator for Equation is

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Question does not provide sufficient data or is vague

d.

All of the above

Question number: 48

» 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: 49

» 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: 50

» Statistical Inference and Hypothesis Testing » Characteristics of Good Estimator

MCQ▾

Question

Let Equation be a random sample of size n from a large populationEquation 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

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