Statistical Inference and Hypothesis Testing (ISS (Statistical Services) Statistics Paper II (New 2016 MCQ Pattern)): Questions 160 - 163 of 222

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Question number: 160

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

Question

Suppose we take a random sample from some population and obtain a 96 % confidence interval for the population mean, , then which quantity is guaranteed to be in the interval?

Choices

Choice (4) Response

a.

μ

b.

s

c.

d.

μ & s

Question number: 161

» Statistical Inference and Hypothesis Testing » Minimum Variance Unbiased Estimators

MCQ▾

Question

A Minimum Variance Unbiased Estimator is said to be unique if for any other estimator ,

Choices

Choice (4) Response

a.

b.

c.

Neither (i) nor (ii)

d.

Question does not provide sufficient data or is vague

Question number: 162

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

Question

Given the probability statement that

Which of the following statement is correct in respect of given probability statement?

Choices

Choice (4) Response

a.

The confidence interval is 11.32

b.

4.35 and 15.67 are 90 percent confidence limits

c.

Probability that lies in the interval 4.35 and 15.67 is 0.90

d.

All a. , b. and c. are correct

Question number: 163

» 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.

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