# Statistical Inference and Hypothesis Testing-Confidence Interval Estimation (ISS Statistics Paper II (New 2016 MCQ Pattern)): Questions 40 - 42 of 73

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## Question number: 40

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

### Question

Suppose we wish to estimate the average height of the tigers in India. We take a sample of 130 tigers and measure their heights. The mean height is 98.249 cms. The calculated standard deviation is cms, then the confidence interval for the population mean at 90 % confidence limit is

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 41

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

### Question

Confidence intervals for the parameters , 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

## Question number: 42

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

### Question

90 % Confidence Interval for if a sample of size 1029, where

and

### Choices

Choice (4) Response

a.

b.

c.

d.

All a. , b. and c. are correct

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