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. |
The binomial random variables are obtained as the sum of iid Gaussian trials. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Which of the following theorem states that the distribution of averages of iid variables, properly normalized, becomes that of a standard normal as the sample size increases? |
| A. | Central Limit Theorem |
| B. | Central Mean Theorem |
| C. | Centroid Limit Theorem |
| D. | All of the mentioned |
| Answer» B. Central Mean Theorem | |
| 3. |
Which of the following form the basis for frequency interpretation of probabilities? |
| A. | Asymptotics |
| B. | Symptotics |
| C. | Asymmetry |
| D. | All of the mentioned |
| Answer» B. Symptotics | |
| 4. |
__________ random variables are used to model rates. |
| A. | Empirical |
| B. | Binomial |
| C. | Poisson |
| D. | All of the mentioned |
| Answer» D. All of the mentioned | |
| 5. |
Which of the following is incorrect with respect to use of Poisson distribution? |
| A. | Modeling event/time data |
| B. | Modeling bounded count data |
| C. | Modeling contingency tables |
| D. | All of the mentioned |
| Answer» C. Modeling contingency tables | |
| 6. |
Which of the following goal is incorrectly represented in the below figure? |
| A. | Relationship between variables |
| B. | Distribution of variables |
| C. | Inference about relationships |
| D. | Causal |
| Answer» E. | |
| 7. |
THE_BINOMIAL_RANDOM_VARIABLES_ARE_OBTAINED_AS_THE_SUM_OF_IID_GAUSSIAN_TRIALS.?$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
Which of the following theorem states that the distribution of averages of iid variables, properly normalized, becomes that of a standard normal as the sample size increases ? |
| A. | Central Limit Theorem |
| B. | Central Mean Theorem |
| C. | Centroid Limit Theorem |
| D. | All of the Mentioned |
| Answer» B. Central Mean Theorem | |
| 9. |
The _________ basically states that the sample mean is consistent. |
| A. | LAN |
| B. | LLN |
| C. | LWN |
| D. | None of the Mentioned |
| Answer» C. LWN | |
| 10. |
Bernoulli random variables take (only) the values 1 and 0. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 11. |
Which of the following form the basis for frequency interpretation of probabilities ? |
| A. | Asymptotics |
| B. | Symptotics |
| C. | Asymmetry |
| D. | All of the Mentioned |
| Answer» B. Symptotics | |
| 12. |
__________ random variables are used to model rates. |
| A. | Empirical |
| B. | Binomial |
| C. | Poisson |
| D. | All of the Mentioned |
| Answer» D. All of the Mentioned | |
| 13. |
Which of the following is incorrect with respect to use of Poisson distribution ? |
| A. | Modeling event/time data |
| B. | Modeling bounded count data |
| C. | Modeling contingency tables |
| D. | All of the Mentioned |
| Answer» C. Modeling contingency tables | |