Statistical Inference and Hypothesis Testing [ISS (Statistical Services) Statistics Paper II]: Questions 197 - 202 of 220

Choose Programs:

🎓 Study Material (17 Notes): 2024-2025 Syllabus

Rs. 100.00 -OR-

3 Year Validity (Multiple Devices)

Topic-wise Notes & SampleDetails

🎯 402 MCQs (& PYQs) with Full Explanations (2024-2025 Exam)

Rs. 300.00 -OR-

3 Year Validity (Multiple Devices)

CoverageDetailsSample Explanation

Help me Choose & Register (Watch Video) Already Subscribed?

Question 197

Question MCQ▾

An estimator is said to be sufficient for a parameter , if it

Choices

Choice (4)Response

a.

Contains all the information in the sample regarding the parameter.

b.

If it converges to the parameter in probability

c.

Contains no information in the sample regarding the parameter

d.

All of the above

Edit

Question 198

Question MCQ▾

Efficiency of sample median as compared to mean as an estimate of the mean of a normal population is:

Choices

Choice (4)Response

a.

157 percent

b.

360 percent

c.

22 percent

d.

64 percent

Edit

Question 199

Question MCQ▾

If is the most efficient estimator with variance and is any other estimator with variance , then the efficiency E of is defined as

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 200

Question MCQ▾

The width of the confidence interval depends on the

Choices

Choice (4)Response

a.

Critical Value

b.

Level of confidence

c.

Standard error.

d.

All a., b. and c. are correct

Edit

Question 201

Question MCQ▾

A Maximum Likelihood Estimate (MLE) is not necessarily________

Choices

Choice (4)Response

a.

Consistent

b.

Unbiased

c.

Question does not provide sufficient data or is vague

d.

None of the above

Edit

Question 202

Question MCQ▾

If we decrease the sample size, keeping the confidence level the same , then the length of the confidence interval will

Choices

Choice (4)Response

a.

It will stay the same

b.

Cannot be determined with the given information

c.

Increase

d.

Decrease

Edit