# Statistical Inference and Hypothesis Testing-Confidence Interval Estimation (ISS Statistics Paper II (New 2016 MCQ Pattern)): Questions 1 - 5 of 73

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## Question number: 1

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

### Question

It is given that , and . Then the 95 % Confidence Interval for the population mean

### Choices

Choice (4) Response

a.

1725.61 ± 222.45

b.

1725.61 ± 897.36

c.

18 ± 222.45

d.

1725.61 ± 110.69

## Question number: 2

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

### Question

The diameter of cylindrical rods is assumed to be normally distributed with a standard deviation of 0.91 cm. A sample of 25 rods has a mean diameter of 4.5 cm. 95 % confidence limits for population mean are:

### Choices

Choice (4) Response

a.

1.9±0.098

b.

c.

d.

All of the above

## Question number: 3

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

### Question

As the level of confidence level decreases, the size of the corresponding interval will

### Choices

Choice (4) Response

a.

Increase

b.

Decrease

c.

Remains the same

d.

Question does not provide sufficient data or is vague

## Question number: 4

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

### Question

It is given that , , . then 90 % Confidence Interval for is

### Choices

Choice (4) Response

a.

b.

c.

d.

All of the above

## Question number: 5

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

### Question

is the Confidence intervals for when …… and is the Confidence intervals for when …. .

### Choices

Choice (4) Response

a.

and

b.

and

c.

and

d.

All of the above

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