# ISS (Statistical Services) Statistics Paper II (New 2016 MCQ Pattern): Questions 164 - 169 of 253

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## Question 164

### Question

MCQ▾

Factorization theorem for sufficiency is known as

### Choices

Choice (4)Response

a.

Fisher-Neyman Theorem

b.

Bernoulli Theorem

c.

Cramer-Rao Theorem

d.

Rao-Blackwell Theorem

## Question 165

### Question

MCQ▾

Suppose there is a survey carried out on 200 persons and the calculated mean and Standard Deviation are 5.83 and 0.86 respectively, then the confidence interval of 95 % of the population mean would be

### Choices

Choice (4)Response

a.

b.

c.

d.

All of the above

## Question 166

### Question

MCQ▾

Relative efficiency of an estimator as compared to is given as

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 167

### Question

MCQ▾

Cramer-Rao inequality with regard to the variance of an estimator provides

### Choices

Choice (4)Response

a.

Lower bond on the variance

b.

Asymptotic variance of an estimator

c.

Upper bound on the variance

d.

All of the above

## Question 168

### Question

MCQ▾

If and are the mean and standard deviation of a random sample from a Normal distribution with unknown variance , a percent confidence interval on is given by

### Choices

Choice (4)Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

## Question 169

### Question

MCQ▾

The 95 % confidence interval for of the normal population is given by

### Choices

Choice (4)Response

a.

b.

c.

d.