ISS Statistics Paper II (New 2016 MCQ Pattern): Questions 24 - 28 of 246

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Question number: 24

» Official Statistics » Gender Awareness and Statistics

MCQ▾

Question

Which of the following is not a part of report of Women and Men in India, 2012?

Choices

Choice (4) Response
a.

Vital statistics

b.

Social fragmentation

c.

Health and Well being

d.

Literacy and education

Question number: 25

» Statistical Inference and Hypothesis Testing » Characteristics of Good Estimator

MCQ▾

Question

If θ^1 and θ^2 are two unbiased estimators of θ . Then

θ^3=aθ^1+(1a)θ^2,0a1 is a

Choices

Choice (4) Response
a.

Positively biased estimator

b.

Unbiased estimator

c.

Biased estimator

d.

Negatively biased estimator

Question number: 26

» Statistical Inference and Hypothesis Testing » Characteristics of Good Estimator

MCQ▾

Question

A function for estimating a parameter is called as:

Choices

Choice (4) Response
a.

Statistic

b.

Estimation

c.

Estimate

d.

Estimator

Question number: 27

» Statistical Inference and Hypothesis Testing » Characteristics of Good Estimator

MCQ▾

Question

If Xi are normally distributed random variables with mean μ and variance σ2 , Then the unbiased estimator of σ2 is -

Choices

Choice (4) Response
a.

S2=1n1i=1n(xix)2

b.

S2=1ni=1n(xix)2

c. All of the above
d. Question does not provide sufficient data or is vague

Question number: 28

» Statistical Inference and Hypothesis Testing » Characteristics of Good Estimator

MCQ▾

Question

Suppose we have two consistent estimators θ^1 and θ^2 of a parameter θ , then θ^1 is more efficient than θ^2 if

Choices

Choice (4) Response
a.

E(θ^1)>E(θ^2)

b.

Var(θ^1)<Var(θ^2)

c.

E(θ^1)<E(θ^2)

d.

Var(θ^1)>Var(θ^2)

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