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

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## Question 249

Compilation, Collection, Processing, Analysis and Dissemination, Agencies Involved, Methods

### Question

MCQ▾

The telegraph function has autocorrelation function of:

### Choices

Choice (4)Response

a.

1

b.

c.

d.

## Question 250

Compilation, Collection, Processing, Analysis and Dissemination, Agencies Involved, Methods

### Question

MCQ▾

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 251

Compilation, Collection, Processing, Analysis and Dissemination, Agencies Involved, Methods

### Question

MCQ▾

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 252

### Question

MCQ▾

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 253

Compilation, Collection, Processing, Analysis and Dissemination, Agencies Involved, Methods

### Question

MCQ▾

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

### Choices

Choice (4)Response

a.

b.

c.

d.