# ISS (Statistical Services) Statistics Paper II (New 2016 MCQ Pattern): Questions 184 - 188 of 253

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## Question number: 184

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MCQ▾

### Question

Suppose we take a random sample from some population and obtain a 96 % confidence interval for the population mean, , then which quantity is guaranteed to be in the interval?

### Choices

Choice (4)Response

a.

μ

b.

s

c.

d.

μ & s

## Question number: 185

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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.

All of the above

## Question number: 186

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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

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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

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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.

None of the above

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