CompTIA DA0-001 Practice Test - Questions Answers, Page 30

Which of the following occurs if a 90% confidence interval increases to 95%?

An analyst reviews the following table:

Which of the following data types is represented in the values in the RefNo column?

An analyst wants to combine two data sets into a single spreadsheet. Column names from the first spreadsheet are listed in rows in the second spreadsheet. Which of the following is the first step the analyst should take to combine the data sets?

Which of the following programming languages are best suited for analysis and machine-learning applications? (Select two).

A data analyst is using a two-tailed, independent t-test to determine whether the type of stretching, dynamic or static, has any influence on a dancer's flexibility. Which of the following is the alternative hypothesis?

A company notifies its employees that emails will be automatically moved to a cloud-based server in 180 days. Which of the following describes this concept?

An analyst wants to check the progress and performance regarding the number of customers an organization served in the last six years. Which of the following represents the type of analysis theanalyst should perform?

A business unit made the following modification to the values in a table:

Which of the following data quality dimensions was applied in this scenario?

A reporting analyst is creating a dashboard that shows the year-over-year performance for a sales organization. Which of the following is the best visual for the analyst use to illustrate the organization's performance?