ISS Statistics Paper II (New 2016 MCQ Pattern): Questions 120 - 124 of 246

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Question number: 120

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

Question

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.

P(2.58Z2.58)=0.01

b.

P(x¯2.58σn,x¯+2.58σn)=0.01

c.

P(2.58x¯μσn2.58)=0.01

d. All a. , b. and c. are correct

Question number: 121

» Statistical Inference and Hypothesis Testing » Simple and Composite Hypotheses

True-False▾

Following Statement is true or false:

The null hypothesis is generally assumed to be ________ until evidence indicates otherwise.

Question number: 122

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

Question

Suppose The confidence interval is given by the relation Pθ(T1θT2)=1α . Then (1α) is called as the

Choices

Choice (4) Response
a.

Correlation Coefficient

b.

Confidence interval

c.

Confidence coefficient

d. All of the above

Question number: 123

» Statistical Inference and Hypothesis Testing » Moments and Least Squares

MCQ▾

Question

In general, the estimates obtained by the method of moments are ________

Choices

Choice (4) Response
a.

Asymptotically normal and always efficient

b.

Not asymptotically normal but efficient

c.

Asymptotically normal but not efficient

d. None of the above

Question number: 124

» Statistical Inference and Hypothesis Testing » Estimation Methods of Maximum Likelihood

MCQ▾

Question

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

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