ISS Statistics Paper II (New 2016 MCQ Pattern): Questions 235 - 238 of 246

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Question number: 235

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

Question

If x¯ is the sample mean of a random sample of size n ( n > 30) from a Normal population with known variance σ2 , a 100(1α)% Confidence Interval (CI) on μ is given by

Choices

Choice (4) Response

a.

(x¯t1α2σn,x¯+t1α2σn)

b.

(x¯zα2σn,x¯+zα2σn)

c.

(x¯tα2σn,x¯+tα2σn)

d.

Question does not provide sufficient data or is vague

Question number: 236

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

Question

In the expression P(c1<θ<c2)=1α , constants c1andc2 are called as________ and the quantity (1α) is called as ________

Choices

Choice (4) Response

a.

Power limits, Maximum interval

b.

Control limits, partial coefficient

c.

Confidence limits, Confidence coefficient

d.

Maximum limits, Minimum limit

Question number: 237

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

Question

A confidence interval (CI) is a type of interval estimate of a________

Choices

Choice (4) Response

a.

Complete statistics

b.

Normal distribution

c.

Population parameter

d.

Question does not provide sufficient data or is vague

Question number: 238

» Statistical Inference and Hypothesis Testing » Moments and Least Squares

MCQ▾

Question

The estimators obtained by the method of moments and by the method of Maximum Likelihood yields identical estimators if

Choices

Choice (4) Response

a.

MLE’s are obtained as the parametric functions

b.

MLE’s are obtained as non-linear functions of the moments

c.

MLE’s are obtained as linear functions of the moments

d.

None of the above

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