# ISS (Statistical Services) Statistics Paper II (New 2016 MCQ Pattern): Questions 125 - 130 of 253

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## Question 125

### Question

MCQ▾

For the Confidence Interval we use … and For the Confidence Interval we use …

### Choices

Choice (4)Response

a.

Z -table, t- table

b.

t -table, Z- table

c.

Z -table, Poisson table

d.

Question does not provide sufficient data or is vague

## Question 126

### Question

MCQ▾

If is a family of distributions and is any statistic then is said to be complete for if

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 127

### Question

MCQ▾

A value of a parameter which maximises the Likelihood function is known as ________ estimate of

### Choices

Choice (4)Response

a.

Efficient Estimator

b.

Complete Statistics

c.

Maximum Likelihood Estimator

d.

Sufficient Estimator

## Question 128

### Question

MCQ▾

A confidence interval for of the Normal distribution , when is unknown is given by

### Choices

Choice (4)Response

a.

b.

c.

d.

None of the above

## Question 129

### Question

MCQ▾

If we increase the sample size and confidence interval at the same time then the length of the Confidence interval become

### Choices

Choice (4)Response

a.

More

b.

Remains the same

c.

Smaller

d.

Cannot be determined from the given information

## Question 130

### Question

MCQ▾

If is a family of distributions and is any statistic such that , then is called as

### Choices

Choice (4)Response

a.

Efficient Statistics

b.

Consistent Estimator

c.

Complete Statistics

d.

Sufficient Statistics