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

Edit

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

Edit

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

Edit

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

Edit

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

Edit