ISS (Statistical Services) Statistics Paper II (New 2016 MCQ Pattern): Questions 158  160 of 246
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Question number: 158
» Statistical Inference and Hypothesis Testing » Simple and Composite Hypotheses
Question
The hypothesis is known as
Choices
Choice (4)  Response  

a.  The hypothesis is known as Composite Hypothesis 

b.  Simple Hypothesis 

c.  Null Hypothesis 

d.  Alternative Hypothesis 

Question number: 159
» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation
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
» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation
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. 

