# Statistical Inference and Hypothesis Testing-Characteristics of Good Estimator (ISS (Statistical Services) Statistics Paper II (New 2016 MCQ Pattern)): Questions 42 - 46 of 54

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## Question number: 42

» 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: 43

» Statistical Inference and Hypothesis Testing » Characteristics of Good Estimator

MCQ▾

### Question

If the expected value of an estimator is not equal to its parametric function, it is said to be a

### Choices

Choice (4) Response

a.

Unbiased estimator

b.

Consistent estimator

c.

Biased estimator

d.

Sufficient estimator

## Question number: 44

» Statistical Inference and Hypothesis Testing » Characteristics of Good Estimator

MCQ▾

### Question

If an estimator of population parameter converges in probability to as n tends to infinity is said to be

### Choices

Choice (4) Response

a.

Efficient

b.

Consistent

c.

Unbiased

d.

Sufficient

## Question number: 45

» Statistical Inference and Hypothesis Testing » Characteristics of Good Estimator

MCQ▾

### Question

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

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 46

» Statistical Inference and Hypothesis Testing » Characteristics of Good Estimator

MCQ▾

### Question

Relative efficiency of an estimator as compared to is given as

### Choices

Choice (4) Response

a.

b.

c.

d.

f Page