Which action is taken during the data investigation step of the data analysis lifecycle? Identify patterns, relationships, and correlations in the data. Determine if the data is complete and relevant…
Which feature of Python reduces the coding requirements when data tasks such as exploratory data analysis and machine learning are required? Python code based on common English words. It is free…
Which three features should your data project portfolio contain to ensure that it is considered favorably by employers and recruiters? (Choose three.) it contains many multi-colored charts and graphics that…
What are the three functions of programming languages optimized for data analysis? (Choose three) data visualization data communications across networks data cleaning virtualization of processing hardware fast response time to…
Which data analytic tool can create interactive documents containing executable program code and markdown text? Kaggle Tableau Jupyter Notebooks Excel Explanation & Hint: Jupyter notebook is a web-based interactive computing…
Which type of bias in data analysis can be caused by the influence of outliers? selection information interpretation confirmation Explanation & Hint: Information bias can occur when outliers are present…
What assurance does data integrity provide? Data is unaltered in transit. Data is available when requested. Data is recoverable. Data access is restricted. Explanation & Hint: Data integrity ensures that…
Which statement is true in respect of avoiding bias in data analytics? focus on the larger patterns and trends and include outliers in the overall analysis avoid selecting only data…
A data analyst conducting a study stops collecting more data once the evidence starts to support the hypothesis. What type of bias has the analyst introduced into the findings? information…
What Tableau Public feature is used to consolidate multiple views and visualizations? objects worksheets screens dashboards Explanation & Hint: In Tableau, using a dashboard is a way to display information…
You are preparing a presentation that needs a visualization showing the relative levels of coffee production in the coffee regions of the world. Which type of visualization in Tableau is…
Which two are benefits of organizing information from multiple datasets into a dashboard? (Choose two) The information is easily tracked. The information is easily secured. The information is easily visualized.…
Why would you use Tableau in your data analysis? To create visualizations. To perform mathematical calculations using formulas and built-in functions. To communicate with and query databases. To display data…
What does a field refer to in database schema terminology? a unique record within the database a specific attribute of an individual record a collection data in rows and columns…
Refer to the exhibit. A data analyst writes a SQL query to extract information from multiple tables in the Movies database. To complete the ON command, what needs to be…
Refer to the exhibit. Match the JOIN operation with the proper description. LEFT JOIN ==> Returns all records from Table 1 and only the matched records from Table 2. FULL JOIN…
What is the purpose of the DML language commands in SQL? to create, modify or delete objects in the database schema to manage updates to the database storage to select,…
Refer to the exhibit. A portion of the Movie table from the Movies database is shown. A data analyst is writing a query that will return the title and release…
Refer to the exhibit. Which option will correctly display the user names and email addresses of users in this table? SELECT User FROM user_id, user_name, user_email SELECT user_id, user_name, user_email FROM…
What is referenced by the FROM statement in an SQL query? the row where the data is located the table containing the data the column where the data is located…