# Statistical Inference and Hypothesis Testing-Confidence Interval Estimation (ISS Statistics Paper II (New 2016 MCQ Pattern)): Questions 55 - 58 of 73

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## Question number: 55

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

### Question

Suppose we have , , Then to compute 95 % confidence for which critical point is used?

### Choices

Choice (4) Response

a.

b.

c.

zα=z0.025α

d.

## Question number: 56

» 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 95 % confidence limit is

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 57

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

### Question

Suppose we want to estimate the average weight of cow in India. We draw a random sample of 1, 000 cows and weigh them. The mean was 180 pounds with a standard deviation of 30 pounds. What is the 95 % confidence interval?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 58

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

### Question

The interval within which the unknown value of the population parameter is expected to lie is called as the________

### Choices

Choice (4) Response

a.

Normal interval

b.

Confidence Interval

c.

Probability interval

d.

All of the above

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