CompTIA DataAI Certification - DY0-001무료 덤프문제 풀어보기
A data scientist is using the following confusion matrix to assess model performance:
The model is predicting whether a delivery truck will be able to make 200 scheduled delivery stops. Every time the model is correct, the company saves an hour in planning and scheduling of maintenance work. Every time the model is wrong, the company loses four hours of delivery time for the truck. Which of the following is the net model impact for the company?
The model is predicting whether a delivery truck will be able to make 200 scheduled delivery stops. Every time the model is correct, the company saves an hour in planning and scheduling of maintenance work. Every time the model is wrong, the company loses four hours of delivery time for the truck. Which of the following is the net model impact for the company?
정답: C
설명: (Fast2test 회원만 볼 수 있음)
Which of the following JOINS would generate the largest amount of data?
정답: A
설명: (Fast2test 회원만 볼 수 있음)
Which of the following belong in a presentation to the senior management team and/or C-suite executives? (Choose two.)
정답: F
설명: (Fast2test 회원만 볼 수 있음)
A data analyst is analyzing data and would like to build conceptual associations. Which of the following is the best way to accomplish this task?
정답: A
설명: (Fast2test 회원만 볼 수 있음)
A data scientist has built a model that provides the likelihood of an error occurring in a factory. The historical accuracy of the model is 90%. At a specific factory, the model is reporting a likelihood score of 0.90. Which of the following explains a confidence score of 0.90?
정답: B
설명: (Fast2test 회원만 볼 수 있음)
A data scientist is building a forecasting model for the price of copper. The only input in this model is the daily price of copper for the last ten years. Which of the following forecasting techniques is the most appropriate for the data scientist to use?
정답: A
설명: (Fast2test 회원만 볼 수 있음)
A data scientist wants to predict a person's travel destination. The options are:
Which of the following models would best fit this use case?
Which of the following models would best fit this use case?
정답: D
설명: (Fast2test 회원만 볼 수 있음)
An analyst wants to show how the component pieces of a company's business units contribute to the company's overall revenue. Which of the following should the analyst use to best demonstrate this breakdown?
정답: A
설명: (Fast2test 회원만 볼 수 있음)
A data scientist is working with a data set that covers a two-year period for a large number of machines. The data set contains:
The data scientist needs to plot the total measurements from all the machines over the entire time period. Which of the following is the best way to present this data?
The data scientist needs to plot the total measurements from all the machines over the entire time period. Which of the following is the best way to present this data?
정답: A
설명: (Fast2test 회원만 볼 수 있음)