ISS (Statistical Services) Statistics Paper II: Questions 119 - 123 of 402
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Question 119
Question MCQ▾
Formula for obtaining 99% confidence limits for the mean μ of a Normal population with mean μ and standard deviation σ are
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. | All a., b. and c. are correct |
Question 120
Statement True-False▾
The null hypothesis is generally assumed to be ________ until evidence indicates otherwise.
Choices
Choice (4) | Response | |
---|---|---|
a. | True | |
b. | False | |
c. | Question does not provide sufficient data or is vague | |
d. | All of the above |
Question 121
Question MCQ▾
Suppose The confidence interval is given by the relation . Then is called as the
Choices
Choice (4) | Response | |
---|---|---|
a. | Correlation Coefficient | |
b. | Confidence coefficient | |
c. | Confidence interval | |
d. | None of the above |
Question 122
Question MCQ▾
In general, the estimates obtained by the method of moments are ________
Choices
Choice (4) | Response | |
---|---|---|
a. | Asymptotically normal but not efficient | |
b. | Asymptotically normal and always efficient | |
c. | Not asymptotically normal but efficient | |
d. | None of the above |
Question 123
Question MCQ▾
The joint probability density function of the sample variates is called ________
Choices
Choice (4) | Response | |
---|---|---|
a. | Confidence limits | |
b. | Likelihood function | |
c. | Minimum Variance Unbiased MVU estimator | |
d. | None of the above |