Online Access Free E20-007 Practice Test

What is required in a presentation for project sponsors?

• A.The "Big Picture" takeaways for executive level stakeholders
• B.Data warehouse design changes
• C.Line by line review of the developed code
• D.Detailed statistical basis for the modeling approach used in the project

A data scientist is asked to implement an article recommendation feature for an on-line magazine. The magazine does not want to use client tracking technologies such as cookies or reading history. Therefore, only the style and subject matter of the current article is available for making recommendations. All of the magazine's articles are stored in a database in a format suitable for analytics.
Which method should the data scientist try first?

• A.Association Rules
• B.Logistic Regression
• C.K Means Clustering
• D.Naive Bayesian

You have completed your model and are handing it off to be deployed in production. What should you deliver to the production team, along with your commented code?

• A.The production team supports the processes that run the organization,and they need context to understand how your model interacts with the processes they already support. Give them the executive summary.
• B.The production team supports the processes that run the organization,and they need context to understand how your model interacts with the processes they already support. Give them the same presentation that you prepared for the project sponsor.
• C.The production team needs to understand how your model will interact with the processes they already support. Give them documentation on expected model inputs and outputs,and guidance on error-handling.
• D.The production team are technical,and they need to understand how the processes that they support work,so give them the same presentation that you prepared for the analysts.

Refer to the exhibit Consider the training data set shown in the exhibit. What are the classification (Y = 0 or 1) and the probability of the classification for the tuple

X(1, 0, 0)
using Naive Bayesian classifier?

• A.Classification Y = 1,Probability = 1/54
• B.Classification Y = 0,Probability = 1/54
• C.Classification Y = 0,Probability = 4/54
• D.Classification Y = 1,Probability = 4/54

Which word or phrase completes the statement?
Theater actor is to "Artistic and Expressive" as Data Scientist is to ________________

• A."Communicative and Collaborative"
• B."Independent and Intelligent"
• C."Introverted and Technical"
• D."Logical and Steadfast"