Statistical Inference and Hypothesis Testing [ISS (Statistical Services) Statistics Paper II]: Questions 79 - 83 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 79
Question MCQ▾
It is given that , and . Then the 95% Confidence Interval for the population mean
Choices
Choice (4) | Response | |
---|---|---|
a. | 18 ± 222.45 | |
b. | 1725.61 ± 110.69 | |
c. | 1725.61 ± 222.45 | |
d. | 1725.61 ± 897.36 |
Question 80
Question MCQ▾
The diameter of cylindrical rods is assumed to be normally distributed with a standard deviation of 0.91 cm. A sample of 25 rods has a mean diameter of 4.5 cm. 95% confidence limits for population mean are:
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | 1.9±0.098 | |
d. | All of the above |
Question 81
Question MCQ▾
Which of the following is not a regularity condition for Cramer-Rao Inequality?
Choices
Choice (4) | Response | |
---|---|---|
a. | The information function exists and is positive for all | |
b. | The derivative exists for all | |
c. | The parameter space , can have only positive values. | |
d. | The differentiation and integration of are interchangeable. In symbols |
Question 82
Question MCQ▾
As the level of confidence level decreases, the size of the corresponding interval will
Choices
Choice (4) | Response | |
---|---|---|
a. | Decrease | |
b. | Remains the same | |
c. | Increase | |
d. | All of the above |
Question 83
Question MCQ▾
It is given that , , . then 90% Confidence Interval for is
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. | Question does not provide sufficient data or is vague |