ISS (Statistical Services) Statistics Paper II (New 2016 MCQ Pattern): Questions 112 - 115 of 253

Access detailed explanations (illustrated with images and videos) to 253 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Subscription can be renewed yearly absolutely FREE! View Sample Explanation or View Features.

Rs. 200.00 or

How to register?

Question number: 112

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

Edit
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.

c.

6.55≤μ≤10.65

d.

All a. , b. and c. are correct

Question number: 113

» Statistical Inference and Hypothesis Testing » Characteristics of Good Estimator

Edit
MCQ▾

Question

is an ________ where as is an ________

Choices

Choice (4) Response

a.

Estimate and an estimator

b.

Estimator and an estimate

c.

None of the above

d.

All of the above

Question number: 114

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

Edit
MCQ▾

Question

Suppose we want to estimate the mean amount of money spent by students on some project in a year. We have the following data of 10 randomly selected students. and calculated sample mean is 249 Rs. and standard deviation is 30 Rs. 95 % Confidence interval for is:

Choices

Choice (4) Response

a.

256.89±290.68

b.

c.

d.

Question number: 115

» Statistical Inference and Hypothesis Testing » Sufficient Estimator

Edit
MCQ▾

Question

Let be a random sample from a density function . A statistics

is said to be sufficient statistics if the conditional distribution of given T

Choices

Choice (4) Response

a.

Independent of

b.

Dependent of

c.

Independent of S

d.

Dependent of