MCQOPTIONS
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MCQOPTIONS
This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Data Science knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Usually replacing the standard error by its estimated value does change the CLT. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
Which of the following mean is a mixture of the MLE and the prior mean? |
| A. | interior |
| B. | exterior |
| C. | posterior |
| D. | all of the mentioned |
| Answer» D. all of the mentioned | |
| 3. |
The beta distribution is the default prior for parameters between ____________ |
| A. | 0 and 10 |
| B. | 1 and 2 |
| C. | 0 and 1 |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 4. |
Which of the following is a property of likelihood? |
| A. | Ratios of likelihood values measure the relative evidence of one value of the unknown parameter to another |
| B. | Given a statistical model and observed data, all of the relevant information contained in the data regarding the unknown parameter is contained in the likelihood |
| C. | The Resultant likelihood is multiplication of individual likelihood |
| D. | All of the mentioned |
| Answer» E. | |
| 5. |
Gosset’s distribution is invented by which of the following scientist? |
| A. | William Gosset |
| B. | William Gosling |
| C. | Gosling Gosset |
| D. | All of the mentioned |
| Answer» B. William Gosling | |
| 6. |
WHICH_OF_THE_FOLLOWING_MEAN_IS_A_MIXTURE_OF_THE_MLE_AND_THE_PRIOR_MEAN_??$ |
| A. | interior |
| B. | exterior |
| C. | posterior |
| D. | all of the Mentioned |
| Answer» D. all of the Mentioned | |
| 7. |
Usually replacing the standard error by its estimated value does change the CLT.$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 8. |
The beta distribution is the default prior for parameters between ? |
| A. | 0 and 10 |
| B. | 1 and 2 |
| C. | 0 and 1 |
| D. | None of the Mentioned |
| Answer» D. None of the Mentioned | |
| 9. |
CLT is mostly useful as an approximation. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 10. |
Which of the following is a property of likelihood ? |
| A. | Ratios of likelihood values measure the relative evidence of one value of the unknown parameter to another |
| B. | Given a statistical model and observed data, all of the relevant information contained in the data regarding the unknown parameter is contained in the likelihood |
| C. | The Resultant likelihood is multiplication of individual likelihood |
| D. | All of the Mentioned |
| Answer» E. | |
| 11. |
The _________ of a collection of data is the joint density evaluated as a function of the parameters with the data fixed. |
| A. | probability |
| B. | likelihood |
| C. | poisson distribution |
| D. | all of the Mentioned |
| Answer» C. poisson distribution | |
| 12. |
Gosset’s distribution is invented by which of the following scientist ?$ |
| A. | William Gosset |
| B. | William Gosling |
| C. | Gosling Gosset |
| D. | All of the Mentioned |
| Answer» B. William Gosling | |
| 13. |
The _________ of the Chi-squared distribution is twice the degrees of freedom. |
| A. | variance |
| B. | standard deviation |
| C. | mode |
| D. | none of the Mentioned |
| Answer» B. standard deviation | |