CompTIA DA0-001 Practice Test - Questions Answers, Page 34

Which of the following analysis techniques is an unsupervised data mining process?

Which of the following types of analysis would be best for an analyst to use to examine the relationships between authors who cited other authors in a library of research papers?

A reporting analyst needs to create a report that refreshes automatically and is accessible to the entire sales organization. Which of the following tools is the most appropriate to use for this task?

An analyst needs to join two data sets that compare vehicle weights. One data set is in pounds, and the other has various units of measure. Which of the following should the analyst do first to the data prior to any type of join?

A database administrator needs to ensure only approved users can access specific database tables to perform financial functions. Which of the following is the best access control method for the administrator to use?

A data analyst needs to observe the relationship between two numeric variables and identify the clustering pattern as well as the outliers. Which of the following visualizations should the analyst use?

An analyst needs to know what data an organization possesses. Which of the following is the best document for the analyst to consult?

A data analyst who works for a government agency is required to obtain the average income of citizens. The list of citizens is given in the following table:

A value for one citizen's income is missing. Which of the following approaches should the data analyst take to solve this issue?

Given the following table:

Which of the following describes the data quality issues with theagedata?