MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your R Programming knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The associated R function is dweibull(x, shape, scale = 1) is for _________ distribution. |
| A. | Logistic |
| B. | Lognormal |
| C. | Weibull |
| D. | Simple |
| Answer» D. Simple | |
| 2. |
The associated R function is dlnorm(x, meanlog = 0, sdlog = 1) is for ________ distribution. |
| A. | Logistic |
| B. | Lognormal |
| C. | Normal |
| D. | Simple |
| Answer» C. Normal | |
| 3. |
Which of the following is a distribution derived from the normal distribution? |
| A. | Logistic |
| B. | Lognormal |
| C. | Normal |
| D. | Simple |
| Answer» C. Normal | |
| 4. |
The _________ distribution comes up in differential equations as a model for population growth under certain assumptions. |
| A. | Logistic |
| B. | Linear |
| C. | Discrete |
| D. | Beta |
| Answer» B. Linear | |
| 5. |
The associated R function is dlogis (x, location = 0, scale = 1) is for _________ distribution. |
| A. | Logistic |
| B. | Linear |
| C. | Discrete |
| D. | Beta |
| Answer» B. Linear | |
| 6. |
Which distribution comes up a lot in Bayesian statistics because it is a good model for one s prior beliefs about a population proportion? |
| A. | Bohr |
| B. | Discrete |
| C. | Alpha |
| D. | Beta |
| Answer» E. | |
| 7. |
The ______ parameter influences the spread of the distribution about its median. |
| A. | Scale |
| B. | Mode |
| C. | Mean |
| D. | Variance |
| Answer» B. Mode | |
| 8. |
The ________ is represented by the location parameter. |
| A. | Median |
| B. | Mode |
| C. | Mean |
| D. | Variance |
| Answer» B. Mode | |
| 9. |
Which distribution looks like a norm distribution but with very heavy tails? |
| A. | Simple |
| B. | Discrete |
| C. | Continuous |
| D. | Cauchy |
| Answer» E. | |
| 10. |
The __________ package has functionality to investigate transformations of univariate distributions. |
| A. | Distri |
| B. | Dirtr |
| C. | Distr |
| D. | Hyperbolic |
| Answer» D. Hyperbolic | |
| 11. |
Which of the following is the symbol of standard normal PDF? |
| A. | |
| B. | # |
| C. | & |
| D. | * |
| Answer» B. # | |
| 12. |
When = ___ and = ___ we say that the random variable has a standard normal distribution. |
| A. | 0,1 |
| B. | 0,0 |
| C. | 1,0 |
| D. | 1,1 |
| Answer» B. 0,0 | |
| 13. |
Which package resorts to numerical methods when it encounters a model it does not recognize. |
| A. | destrEx |
| B. | ditrEx |
| C. | distrEx |
| D. | Exdistr |
| Answer» D. Exdistr | |
| 14. |
Every ________ function has a probability distribution function. |
| A. | Continuous |
| B. | Discrete |
| C. | Categorical |
| D. | Random |
| Answer» B. Discrete | |
| 15. |
Two important methods in analysis is differentiation and __________ transformation. |
| A. | Bernoulli |
| B. | Fourier |
| C. | Bohr |
| D. | Rutherford |
| Answer» C. Bohr | |