# Statistical Inference and Hypothesis Testing-Confidence Interval Estimation (ISS Statistics Paper II (New 2016 MCQ Pattern)): Questions 14 - 17 of 73

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## Question number: 14

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

### Question

It is given that sample size , sample mean and sample standard deviation . Then 95 % Confidence Interval would be

### Choices

Choice (4) Response

a.

b.

c.

d.

All of the above

## Question number: 15

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

### Question

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

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 16

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

### Question

The Government conducts national survey to study about the home gardening.

A random sample of 250 households is taken, which have their own vegetable gardens. The average size of their gardens is 643 sq. ft. The calculated standard deviation is σ = 247 sq. ft. Then 90 % confidence interval for the mean size µ, of all household vegetable gardens is

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 17

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

### Question

Formula for the Confidence interval with confidence coefficient for the variance of the Normal distribution when is known, is given by

### Choices

Choice (4) Response

a.

b.

c.

Both a. and b. are correct

d.

Question does not provide sufficient data or is vague

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