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Data Analysis

Data analysis courses address methods for managing and analyzing large datasets. Start your career as a data scientist by studying data
mining, big data applications, and data product development.

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Fill in the blank: Filtering involves showing only the data that meets a specific _____ while hiding the rest.

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Data Analysis Data Science Questions

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You are performing a calculation during your analysis of a dataset. Which phase of analysis are you in?

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Data Analysis Data Science Questions

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A data analyst is sorting data in a spreadsheet. They select a specific collection of cells in order to limit the sorting to just specified cells. Which spreadsheet tool are they using?

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Data Analysis Data Science Questions

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What is the goal of the analysis phase of the data analysis process?

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Data Analysis Data Science Questions

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Typically, a data analyst uses filters when they want to expand the amount of data they are working with.

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Data Analysis Data Science Questions

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You are querying a database that contains data about music. You are only interested in data related to the jazz musician Miles Davis. The names of the musicians are listed in the composer column.

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Data Analysis Data Science Questions

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During which of the four phases of analysis do you compare your data to external sources?

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Data Analysis Data Science Questions

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A data analyst sorts a spreadsheet range between cells F19 and G82. They sort in ascending order by the second column, Column G. What is the syntax they are using?

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Data Analysis Data Science Questions

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During which of the four phases of analysis can you find a correlation between two variables?

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Data Analysis Data Science Questions

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You are working with a database that contains invoice data about online music purchases. You are only interested in invoices sent to customers located in the city of Delhi. You want to sort the invoices by order total in ascending order. The order totals are listed in the total column.

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Data Analysis Data Science Questions

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You are querying a database that contains data about music. Each album is given an ID number. You are only interested in data related to the album with ID number 6. The album IDs are listed in the album_id column.

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Data Analysis Data Science Questions

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Which phase of the data analysis process has the goal of identifying trends and relationships?

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Data Analysis Data Science Questions

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A data analyst is sorting data in a spreadsheet. Which tool are they using if all of the data is sorted by the ranking of a specific sorted column and data across rows is kept together?

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Data Analysis Data Science Questions

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A data analyst sorts a spreadsheet range between cells D5 and M5. They sort in descending order by the third column, Column F. What is the syntax they are using?

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Data Analysis Data Science Questions

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You are working with a database that contains invoice data about online music purchases. You are only interested in invoices sent to customers located in the city of Chicago. You want to sort the invoices by order total in ascending order. The order totals are listed in the total column.

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Data Analysis Data Science Questions

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The data collected for an analysis project has just been cleaned. What are the next steps for a data analyst? Select all that apply.

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Data Analysis Data Science Questions

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Which function removes leading, trailing, and repeated spaces in data?

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Data Analysis Data Science Questions

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Fill in the blank: Documentation is the process of tracking _____ during data cleaning. Select all that apply.

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Data Analysis Data Science Questions

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What is involved in seeing the big picture when verifying data cleaning? Select all that apply.

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Data Analysis Data Science Questions

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A data analyst commits a query to the repository as a new and improved query. Then, they specify the changes they made and why they made them. This scenario is part of what process?

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Data Analysis Data Science Questions

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Fill in the blank: Once data is clean, a data analyst moves on to _____ and verification.

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Data Analysis Data Science Questions

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A data analyst uses a changelog while cleaning data. What process does a changelog support?

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Data Analysis Data Science Questions

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Which of the following functions automatically remove extra spaces when cleaning data?

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Data Analysis Data Science Questions

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A data analyst is in the verification step. They consider the business problem, the goal, and the data involved in their analytics project. What scenario does this describe?

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Data Analysis Data Science Questions

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  • As a project manager, you’re trying to take all the right steps to prepare for the project. What steps should you take? Select all that apply.
  • Project managers should follow which three best practices when assigning tasks to complete milestones?
  • When assigning tasks to team members, what two factors should you mainly consider?
  • Fill in the blank: During the planning phase of a project, you take steps that help you _____ to achieve your project goals.
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