Statistical Inference and Hypothesis Testing (ISS (Statistical Services) Statistics Paper II (New 2016 MCQ Pattern)): Questions 94 - 98 of 222

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Question number: 94

» Statistical Inference and Hypothesis Testing » Factorization Theorem

MCQ▾

Question

is sufficient for if and only if the joint density function, of the sample values can be expressed in the form

where depends on and only through the value of and is independent of . This Theorem is known as

Choices

Choice (4) Response

a.

Blackwell Theorem

b.

Rao-Blackwell Theorem

c.

Factorization Theorem

d.

Cramer-Rao Theorem

Question number: 95

» Statistical Inference and Hypothesis Testing » Characteristics of Good Estimator

MCQ▾

Question

Efficiency of sample mean as compared to median as an estimate of the mean of a normal population is

Choices

Choice (4) Response

a.

64 percent

b.

157 percent

c.

360 percent

d.

22 percent

Question number: 96

» 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.

b.

c.

d.

All a. , b. and c. are correct

Question number: 97

» 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: 98

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

Question

Suppose The confidence interval is given by the relation . Then is called as the

Choices

Choice (4) Response

a.

Correlation Coefficient

b.

Confidence interval

c.

Confidence coefficient

d.

All of the above

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