# ISS Statistics Paper II (New 2016 MCQ Pattern): Questions 185 - 188 of 246

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## Question number: 185

MCQ▾

### Question

A Minimum Variance Unbiased Estimator is said to be unique if for any other estimator ,

### Choices

Choice (4) Response

a.

b.

c.

Neither (i) nor (ii)

d.

Question does not provide sufficient data or is vague

## Question number: 186

MCQ▾

### Question

Given the probability statement that

Which of the following statement is correct in respect of given probability statement?

### Choices

Choice (4) Response

a.

The confidence interval is 11.32

b.

4.35 and 15.67 are 90 percent confidence limits

c.

Probability that lies in the interval 4.35 and 15.67 is 0.90

d.

All a. , b. and c. are correct

## Question number: 187

MCQ▾

### Question

Suppose we wish to estimate the average height of the tigers in India. We take a sample of 130 tigers and measure their heights. The mean height is 98.249 cms. The calculated standard deviation is cms, then the confidence interval for the population mean at 90 % confidence limit is

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 188

MCQ▾

### Question

Confidence intervals for the parameters , of the Normal distribution, when is known, is given by

### Choices

Choice (4) Response

a.

b.

c.

Both a. and b. are correct

d.

Question does not provide sufficient data or is vague

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