MCQOPTIONS
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MCQOPTIONS
This section includes 6 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. |
Cumulative distribution functions are used to specify the distribution of multivariate random variables. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Which of the following random variables are the default model for random samples? |
| A. | iid |
| B. | id |
| C. | pmd |
| D. | all of the mentioned |
| Answer» B. id | |
| 3. |
Chebyshev s inequality states that the probability of a Six Sigma event is less than ___________ |
| A. | 10% |
| B. | 20% |
| C. | 30% |
| D. | 3% |
| Answer» E. | |
| 4. |
For continuous random variables, the CDF is the derivative of the PDF. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
Which of the following inequality is useful for interpreting variances? |
| A. | Chebyshev |
| B. | Stautaory |
| C. | Testory |
| D. | All of the mentioned |
| Answer» B. Stautaory | |
| 6. |
Which of the following of a random variable is a measure of spread? |
| A. | variance |
| B. | standard deviation |
| C. | empirical mean |
| D. | all of the mentioned |
| Answer» B. standard deviation | |