# Statistical Inference and Hypothesis Testing-Characteristics of Good Estimator (ISS (Statistical Services) Statistics Paper II (New 2016 MCQ Pattern)): Questions 24 - 27 of 54

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## Question number: 24

» Statistical Inference and Hypothesis Testing » Characteristics of Good Estimator

MCQ▾

### Question

A random sample of size 5 is drawn from a normal population with mean and . And if , , Which one is the best estimator in terms of variance?

### Choices

Choice (4) Response

a.

b.

c.

d.

All of the above

## Question number: 25

» Statistical Inference and Hypothesis Testing » Characteristics of Good Estimator

MCQ▾

### Question

If is the variance of a random sample from an infinite population with mean μ and finite variance . Then is -

### Choices

Choice (4) Response

a.

Biased estimator of

b.

c.

Unbiased estimator of

d.

Question does not provide sufficient data or is vague

## Question number: 26

» Statistical Inference and Hypothesis Testing » Characteristics of Good Estimator

MCQ▾

### Question

Let be a random sample of size n from a large population with mean μ and variance . Which of the following statement is correct?

### Choices

Choice (4) Response

a.

b.

c.

d.

All of the above

## Question number: 27

» Statistical Inference and Hypothesis Testing » Characteristics of Good Estimator

MCQ▾

### Question

If , _is a random sample of size n, from , a statistic

is an unbiased estimator of if

### Choices

Choice (4) Response

a.

If

b.

If

c.

If

d.

If

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