# Statistical Inference and Hypothesis Testing (ISS (Statistical Services) Statistics Paper II (New 2016 MCQ Pattern)): Questions 82 - 85 of 222

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## Question number: 82

» Statistical Inference and Hypothesis Testing » Cramer-Rao Inequality

MCQ▾

### Question

Which of the following is not a regularity condition for Cramer-Rao Inequality?

### Choices

Choice (4) Response

a.

The parameter space , can have only positive values.

b.

The differentiation and integration of are interchangeable. In symbols

c.

The information function exists and is positive for all

d.

The derivative exists for all

## Question number: 83

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

### Question

As the level of confidence level decreases, the size of the corresponding interval will

### Choices

Choice (4) Response

a.

Increase

b.

Decrease

c.

Remains the same

d.

Question does not provide sufficient data or is vague

## Question number: 84

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

### Question

It is given that , , . then 90 % Confidence Interval for is

### Choices

Choice (4) Response

a.

b.

c.

d.

All of the above

## Question number: 85

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

### Question

is the Confidence intervals for when …… and is the Confidence intervals for when …. .

### Choices

Choice (4) Response

a.

and

b.

and

c.

and

d.

All of the above

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