ISS (Statistical Services) Statistics Paper II (New 2016 MCQ Pattern): Questions 183 - 187 of 253

Access detailed explanations (illustrated with images and videos) to 253 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Subscription can be renewed yearly absolutely FREE! View Sample Explanation or View Features.

Rs. 200.00 or

How to register?

Question number: 183

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

Edit
MCQ▾

Question

It is given that n = 1029, and . Then the 90 % Confidence Interval for the population mean is given by

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 184

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

Edit
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: 185

» Statistical Inference and Hypothesis Testing » Minimum Variance Unbiased Estimators

Edit
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.

All of the above

Question number: 186

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

Edit
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: 187

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

Edit
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.