ISS (Statistical Services) Statistics Paper II (New 2016 MCQ Pattern): Questions 249 - 253 of 253

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Question number: 249

» Official Statistics » Offical Statistics » Compilation, Collection, Processing, Analysis and Dissemination, Agencies Involved, Methods

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Question

The telegraph function has autocorrelation function of:

Choices

Choice (4) Response

a.

1

b.

c.

d.

Question number: 250

» Official Statistics » Offical Statistics » Compilation, Collection, Processing, Analysis and Dissemination, Agencies Involved, Methods

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A process is Martingale if and only if:

Choices

Choice (4) Response

a.

For all

b.

is adapted to where is a filtration

c.

For all

d.

All a. , b. and c. are correct

Question number: 251

» Official Statistics » Offical Statistics » Compilation, Collection, Processing, Analysis and Dissemination, Agencies Involved, Methods

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In a wide-sense stationary process the autocorrelation is a function is:

Choices

Choice (4) Response

a.

b.

c.

Autocorrelation does not depend on s or t

d.

Question number: 252

» Official Statistics » National and International Official Statistical System

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Question

Consider the following Markov chain with state space

What is the probability that the chain in state b when it is already in state b.

Choices

Choice (4) Response

a.

0.0

b.

0.33

c.

0.2

d.

0.5

Question number: 253

» Official Statistics » Offical Statistics » Compilation, Collection, Processing, Analysis and Dissemination, Agencies Involved, Methods

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In a wide-sense stationary process the mean function is:

Choices

Choice (4) Response

a.

b.

c.

d.