Statistical Inference and Hypothesis Testing [ISS (Statistical Services) Statistics Paper II]: Questions 144 - 149 of 220

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Question 144

Question MCQ▾

If and are two unbiased estimators of based on the random sample , then is said to be UMVUE if and only if

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 145

Question MCQ▾

The hypothesis is known as

Choices

Choice (4)Response

a.

Composite Hypothesis

b.

Simple Hypothesis

c.

Null Hypothesis

d.

Alternative Hypothesis

Edit

Question 146

Question MCQ▾

If is a random sample from a density function for where are independent of , then any statistics will be called as sufficient statistics if the joint probability density function can be expressed as

Choices

Choice (4)Response

a.

b.

c.

d.

None of the above

Edit

Question 147

Question MCQ▾

A range computed using sample statistics to estimate an unknown population parameter with a given level of confidence is known as

Choices

Choice (4)Response

a.

Maximum Interval

b.

Normal interval

c.

Confidence interval

d.

Time interval

Edit

Question 148

Question MCQ▾

Formula for 95% Confidence interval for the variance of the Normal distribution when is known, is given by

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 149

Question MCQ▾

For a normal population , the variance of the sample mean and sample variance are given ‎ . Then the efficiency of mean against median is

Choices

Choice (4)Response

a.

b.

c.

d.

Edit