# Statistical Inference and Hypothesis Testing-Confidence Interval Estimation (ISS Statistics Paper II (New 2016 MCQ Pattern)): Questions 46 - 49 of 73

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## Question number: 46

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

### Question

Keeping the sample size same, suppose we decrease the level of confidence then the length of the Confidence interval will become

### Choices

Choice (4) Response

a.

Remains the same

b.

Smaller

c.

More

d.

Question does not provide sufficient data or is vague

## Question number: 47

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

### Question

Confidence intervals can be constructed ________

### Choices

Choice (4) Response

a.

Only for the parameter of population correlation

b.

Only for the parameter of the mean

c.

For various parameters

d.

All of the above

## Question number: 48

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

### Question

Confidence intervals for the parameters , of the Normal distribution having density function, in case of known variance , is given by

### Choices

Choice (4) Response

a.

b.

c.

d.

None of the above

## Question number: 49

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

### Question

Degrees of freedom for the mean in case of large sample size is…………; and in case of for the small sample size is……. .

### Choices

Choice (4) Response

a.

and n

b.

and

c.

and

d.

and

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