# Statistical Inference and Hypothesis Testing-Confidence Interval Estimation (ISS (Statistical Services) Statistics Paper II (New 2016 MCQ Pattern)): Questions 27 - 30 of 73

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## Question number: 27

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

### Question

Consider the general form of confidence interval for the mean .

In this expression is known as ………. and is known as ……………….

### Choices

Choice (4) Response

a.

Critical value, Standard Error

b.

Point estimate, Standard deviation

c.

Control limit, variance

d.

All of the above

## Question number: 28

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

### Question

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.

Question does not provide sufficient data or is vague

## Question number: 29

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

### Question

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.

All of the above

## Question number: 30

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

### Question

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

### Choices

Choice (4) Response

a.

b.

c.

d.

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