ISS (Statistical Services) Statistics Paper II (New 2016 MCQ Pattern): Questions 160 - 163 of 253

Question 1

MCQ▾

Question

The health organization wants to study the mean weight of Indian women of the age group 30 - 40. A sample of forty woman of that age group is randomly selected and their weights in pounds are recorded.

**Readings of the random sample by Health Organization for Woman**

What are the readings of the family?
140	153	167	115
136	136	145	125
147	134	154	148
136	126	139	132
152	132	139	120
130	138	138	146
116	137	143	115
159	147	122	145
128	123	134	127
131	154	150	116

The calculated standard deviation is σ =12.77. Then the 99 % confidence interval for the mean weight is

Choices

Choice (4)		Response
a.
b.
c.
d.

Question 2

MCQ▾

Question

By the method of moments one can estimate

Choices

Choice (4)		Response
a.	All Moments of a population distribution
b.	All constants of a population
c.	Only mean and variance of a distribution
d.	None of the above

Question 3

MCQ▾

Question

Consider the general form of confidence interval for the mean .

In this expression is known as ………. and is known as ……………….

Choices

Choice (4)		Response
a.	Critical value, Standard Error
b.	Point estimate, Standard deviation
c.	Control limit, variance
d.	All of the above

Question 4

MCQ▾

Question

Which of the following definitions of Sufficiency of a estimator is known as Fisher-Neyman Factorization Theorem?

Choices

Choice (4)		Response
a.	An estimator is said to be sufficient for if it provides all the information contained in the sample about the parametric function
b.	If is a estimator of parameter based on a sample of size n from the population with density such that the conditional distribution of given T is independent of then T is sufficient estimator of .
c.	A statistic is sufficient estimator of parameter if and only if the likelihood function (joint p. d. f. of the sample) can be expressed as where is the p. d. f. of statistic and is a function of sample observations only independent of
d.	All of the above

ISS (Statistical Services) Statistics Paper II (New 2016 MCQ Pattern): Questions 160 - 163 of 253

Question number: 160

Question

Choices

Question number: 161

Question

Choices

Question number: 162

Question

Choices

Question number: 163

Question

Choices

140	153	167	115
136	136	145	125
147	134	154	148
136	126	139	132
152	132	139	120
130	138	138	146
116	137	143	115
159	147	122	145
128	123	134	127
131	154	150	116

140	153	167	115
136	136	145	125
147	134	154	148
136	126	139	132
152	132	139	120
130	138	138	146
116	137	143	115
159	147	122	145
128	123	134	127
131	154	150	116

140	153	167	115
136	136	145	125
147	134	154	148
136	126	139	132
152	132	139	120
130	138	138	146
116	137	143	115
159	147	122	145
128	123	134	127
131	154	150	116