ISS (Statistical Services) Statistics Paper II (New 2016 MCQ Pattern): Questions 110 - 113 of 246

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Question number: 110

» Statistical Inference and Hypothesis Testing » Moments and Least Squares

MCQ▾

Question

For a simple linear model , the estimated values of and by the method of least square will be

Choices

Choice (4) Response

a.

and

b.

and

c.

and

d.

and

Question number: 111

» Statistical Inference and Hypothesis Testing » Cramer-Rao Inequality

MCQ▾

Question

Regularity conditions of Cramer-Rao inequality are related to

Choices

Choice (4) Response

a.

Integrability of functions

b.

Neither (i) and (ii)

c.

Differentiability of functions

d.

Both a. and c. are correct

Question number: 112

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

Question

A school wants to study the number of days the students will be absent from school per year. It surveys attendance of 10 children and the number of days the children is absent from schools are

Samples from schools and students

What are the readings of the family?

12

13

9

11

7

8

4

9

5

8

Standard deviation . Then 95 % Confidence interval on population mean is

Choices

Choice (4) Response

a.

8.6±2.05

b.

6.55 ≤ μ ≤ 10.65

c.

d.

All a. , b. and c. are correct

Question number: 113

» Statistical Inference and Hypothesis Testing » Characteristics of Good Estimator

MCQ▾

Question

is an ________ where as is an ________

Choices

Choice (4) Response

a.

Estimate and an estimator

b.

Estimator and an estimate

c.

Question does not provide sufficient data or is vague

d.

All of the above

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