ISS (Statistical Services) Statistics Paper II (New 2016 MCQ Pattern): Questions 158 - 160 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: 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. |
|
|