# ISS Statistics Paper II (New 2016 MCQ Pattern): Questions 29 - 33 of 246

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## Question number: 29

MCQ▾

### Question

A random sample of size 5 is drawn from a normal population with unknown mean . Then is a unbised estimator of

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 30

MCQ▾

### Question

Let be a random sample from Bernoulli population with parameter , . If ,

### Choices

Choice (4) Response

a.

Is not sufficient for

b.

Is Sufficient for

c.

The conditional distribution does not depend on

d.

Both b. and c. are correct

## Question number: 31

MCQ▾

### Question

If T is an unbiased estimator for , then is

### Choices

Choice (4) Response

a.

Biased estimator of

b.

Unbiased estimator

c.

None of the above

d.

Question does not provide sufficient data or is vague

## Question number: 32

MCQ▾

### Question

A formula or rule used for estimating the parameter is called:

### Choices

Choice (4) Response

a.

Estimate

b.

Statistic

c.

Estimation

d.

Estimator

## Question number: 33

MCQ▾

### Question

In sampling from a population, the sample mean is a consistent estimator of

### Choices

Choice (4) Response

a.

b.

+1

c.

d.

All of the above

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