Question 1 · 82 in bank
Which of the following issues should a data scientist be most concerned about when generating a synthetic data set?
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Answer: D
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Which of the following issues should a data scientist be most concerned about when generating a synthetic data set?
Answer: D
A data scientist is performing a linear regression and wants to construct a model that explains the most variation in the data. Which of the following should the data scientist maximize when evaluating the regression performance metrics?
Answer: B
A data scientist is building an inferential model with a single predictor variable. A scatter plot of the independent variable against the real-number dependent variable shows a strong relationship between them. The predictor variable is normally distributed with very few outliers. Which of the following algorithms is the best fit for this model, given the data scientist wants the model to be easily interpreted?
Answer: C
A data scientist wants to evaluate the performance of various nonlinear models. Which of the following is best suited for this task?
Answer: A
Which of the following is the layer that is responsible for the depth in deep learning?
Answer: D
Which of the following modeling tools is appropriate for solving a scheduling problem?
Answer: B
Which of the following environmental changes is most likely to resolve a memory constraint error when running a complex model using distributed computing?
Answer: D
A data analyst wants to save a newly analyzed data set to a local storage option. The data set must meet the following requirements: Be minimal in size - Have the ability to be ingested quickly Have the associated schema, including data types, stored with it Which of the following file types is the best to use?
Answer: B
Which of the following is a key difference between KNN and k-means machine-learning techniques?
Answer: D
A data scientist needs to: Build a predictive model that gives the likelihood that a car will get a flat tire. Provide a data set of cars that had flat tires and cars that did not. All the cars in the data set had sensors taking weekly measurements of tire pressure similar to the sensors that will be installed in the cars consumers drive. Which of the following is the most immediate data concern?
Answer: D
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