# ISS (Statistical Services) Statistics Paper II (New 2016 MCQ Pattern): Questions 159 - 162 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. Unlimited Access for Unlimited Time! View Sample Explanation or View Features.

Rs. 200.00 or

How to register?

## Question number: 159

Edit
MCQ▾

### Question

The Indian Government wants the information of children per family. It takes a random sample of 40 families and the numbers of children in the selected families are

 1 2 1 2 1 1 1 1 5 4 3 4 1 0 1 2 1 0 3 0 0 0 2 2 5 3 1 0 8 1 0 1 2 1 1 5 2 1 2 3

Calculated standard deviation is σ =1.95. Obtain the 90 % confidence interval for the mean number of children per family in India

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 160

Edit
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.

 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 number: 161

Edit
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.

Question does not provide sufficient data or is vague

## Question number: 162

Edit
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.

Point estimate, Standard deviation

b.

Critical value, Standard Error

c.

Control limit, variance

d.

None of the above

Developed by: