Statistical Inference and Hypothesis Testing (ISS (Statistical Services) Statistics Paper II (New 2016 MCQ Pattern)): Questions 1 - 5 of 222

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Question number: 1

» Statistical Inference and Hypothesis Testing » Characteristics of Good Estimator

MCQ▾

Question

If Equation and Equation are two unbiased estimators of Equation . Then

Equation is a

Choices

Choice (4) Response

a.

Positively biased estimator

b.

Unbiased estimator

c.

Biased estimator

d.

Negatively biased estimator

Question number: 2

» 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: 3

» Statistical Inference and Hypothesis Testing » Characteristics of Good Estimator

MCQ▾

Question

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

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

All of the above

d.

Question does not provide sufficient data or is vague

Question number: 4

» Statistical Inference and Hypothesis Testing » Characteristics of Good Estimator

MCQ▾

Question

Suppose we have two consistent estimators Equation and Equation of a parameter Equation , thenEquation is more efficient than Equation if

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 5

» 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 unknown mean Equation . Then Equation is a unbised estimator of

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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