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Data Science

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Conditional formatting is a spreadsheet tool that changes how cells appear when values meet a specific condition. Data analysts can use conditional formatting to do which of the following tasks? Select all that apply.

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Data Analysis Data Science Questions

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A data analyst needs to combine two datasets. Each dataset comes from a different system, and the systems store data in different ways. What can the data analyst do to ensure the data is compatible?

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Data Analysis Data Science Questions

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A data analyst wants to search for a certain value in a column, then return a corresponding piece of information. Which function should they use?

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Data Analysis Data Science Questions

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They want to create employee identification numbers (IDs) in column D. The IDs should include the year hired plus the last four digits of the employee’s Social Security Number (SS#). What function will create the ID 20201939 for the employee in row 4?

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Data Analysis Data Science Questions

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In order to extract the five-digit postal code from Brandon, FL, what is the correct function?

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Data Analysis Data Science Questions

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A predetermined structure that includes all required information and its proper placement in a formula or function is called syntax.

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Data Analysis Data Science Questions

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A delimiter is a character that indicates the beginning or end of a data item. The split text to columns tool uses a delimiter to accomplish what task?

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Data Analysis Data Science Questions

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An analyst is cleaning a new dataset containing 500 rows. They want to make sure the data contained from cell B2 through cell B300 does not contain a number greater than 50. Which of the following COUNTIF function syntaxes could be used to answer this question? Select all that apply.

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Data Analysis Data Science Questions

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In the data analysis process, how does a sample relate to a population?

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Data Analysis Data Science Questions

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A data analyst is given a dataset for analysis. It includes data about the total population of every country in the previous 20 years. Which of the following questions would the analyst need more data to address?

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Data Analysis Data Science Questions

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Data and business objectives might not align for a number of reasons. Which of the following issues can prevent alignment? Select all that apply.

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Data Analysis Data Science Questions

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New postaWhen gathering data through a survey, companies can save money by surveying 100% of a population.

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Data Analysis Data Science Questions

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Fill in the blank: Sampling bias in data collection happens when a sample isn’t representative of _____.

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Data Analysis Data Science Questions

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A data analyst at a software company wants to learn more about industry competitors. Because the software industry has more mergers than any other field, the companies and their products are constantly evolving. The analyst has a dataset from three years ago, and they notice that many of the companies and products in the dataset have changed. What makes the analyst decide that the data is insufficient, so they should generate fresh data instead?

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Data Analysis Data Science Questions

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A data analyst is given a dataset for analysis. It includes data about the total population of every country in the previous 20 years. Which of the following questions can the analyst use this dataset to address? Select all that apply.

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Data Analysis Data Science Questions

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A restaurant gathers data about a new dish by providing free samples to parties of six or more diners. What does this scenario describe?

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Data Analysis Data Science Questions

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A data analyst is working on a project about the global supply chain. They have a dataset with lots of relevant data from Europe and Asia. However, they decide to generate new data that represents all continents. What type of insufficient data does this scenario describe?

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Data Analysis Data Science Questions

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A data analyst is given a dataset for analysis. To use the template for this dataset, click the link below and select “Use Template.”Link to template: June 2014 Invoices

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Data Analysis Data Science Questions

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Fill in the blank: If a data analyst is using data that has been _____, the data will lack integrity and the analysis will be faulty.

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Data Analysis Data Science Questions

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Sometimes during analysis, an analyst discovers that it’s necessary to adjust the business objective. When this happens, the analyst should take the initiative to do so without involving others in order to be respectful of their time.

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Data Analysis Data Science Questions

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The analyst notices a limitation with the data in rows 8 and 9. What is the limitation?

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Data Analysis Data Science Questions

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VLOOKUP searches for a value in a row in order to return a corresponding piece of information.

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Data Analysis Data Science Questions

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A car manufacturer wants to learn more about the brand preferences of electric car owners. There are millions of electric car owners in the world. Who should the company survey?

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Data Analysis Data Science Questions

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Which of the following conditions are necessary to ensure data integrity? Select all that apply.

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Data Analysis Data Science Questions

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