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

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

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

Readings of the random sample by Indian Government

What are the readings of the family?

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

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

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.

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 number: 161

» Statistical Inference and Hypothesis Testing » Moments and Least Squares

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

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

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: