ISS (Statistical Services) Statistics Paper II (New 2016 MCQ Pattern): Questions 176 - 180 of 253

Access detailed explanations (illustrated with images and videos) to 253 questions. Access all new questions- tracking exam pattern and syllabus. View the complete topic-wise distribution of questions. Unlimited Access, Unlimited Time, on Unlimited Devices!

View Sample Explanation or View Features.

Rs. 200.00 -OR-

How to register? Already Subscribed?

Question 176

Question

MCQ▾

Rao-Blackwell Theorem enables us to obtain MVUE through:

Choices

Choice (4)Response

a.

Sufficient statistics

b.

Unbiased Estimator

c.

Complete Statistics

d.

Efficient statistics

Question 177

Question

MCQ▾

A 95 % confidence interval is shown as . This means

Choices

Choice (4)Response

a.

Probability that lies in the interval 60.84 and 96.5 is 0.95

b.

The length of the confidence interval is 35.66

c.

60.84 and 96.5 are 95 percent confidence limits

d.

All a., b. and c. are correct

Question 178

Question

MCQ▾

If is an MVU estimator of for all and is any other unbiased estimator of with efficiency , then the correlation coefficient between is given by

all

Choices

Choice (4)Response

a.

for all

b.

for all

c.

for all

d.

for all

Question 179

Question

MCQ▾

In a college survey, children were asked how many hours they study per day. A sample of 22 children is collected. The mean was 3.25 hours with a standard deviation of 1.57 hours. Then 95 % and 99 % confidence interval for the number of hours of study per day is

Choices

Choice (4)Response

a.

and

b.

and

c.

and

d.

Question does not provide sufficient data or is vague

Question 180

Question

MCQ▾

A statistic is called as ________ Estimator for the parameter θ, if the conditional distribution of given T does not depend on θ.

Choices

Choice (4)Response

a.

Sufficient

b.

Maximum Likelihood estimator

c.

Efficient

d.

Unbiased