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An analyst is summarizing the results from a recently completed survey. The results have been validated, but the analyst notices a few rows of data are missing at the bottom. For which of the following data qualities does this present the GREATEST issue?
Answer: A
Which of the following data analytics tools would be BEST to retrieve data from a relational database management system?
Answer: C
A data analyst is reviewing the results of a survey. Respondents used the terms “avg,” “average,” and “avg.” throughout the survey in a response for the word “average.” Because of this, the analyst changed all related answers to say “average.” Which of the following are reasons why the analyst MOST likely made these changes? (Choose two.)
Answer: BF
A business analyst reviews the following text: txt = “I have registered for a certification exam and will take it within a couple of months. I need to work hard to pass the exam with flying colors.” The analyst then splits the string into two parts: txt1 = “I have registered for a certification exam and will take it within a couple of months.” txt2 = “I need to work hard to pass the exam with flying colors.” Which of the following BEST describes the process the business analyst is following?
Answer: D
A customer’s telephone number is in the format 123-456-7890. Which of the following data types is used for the phone number?
Answer: C
A team is planning to automate daily reporting for a company. Prior to this rollout, the team wants to determine how to ensure the data is refreshed at approximately the same time every day. Which of the following would be the BEST step for the team to take to get the data connected and refreshed on a daily automated schedule?
Answer: C
Which of the following describes a formal process for acquiring data from websites?
Answer: D
Which of the following should be accomplished NEXT after understanding a business requirement for a data analysis report?
Answer: B
B. After understanding a business requirement for a data analysis report, the next step should be to determine the data that is necessary for the analysis. This involves identifying the specific data points or variables that are required to answer the business question or meet the business need. Once the necessary data has been identified, the analyst can then proceed to the next steps, which might include rephrasing the business requirement, building a mock dashboard or presentation layout, and performing exploratory data analysis.
Source: Adapted from community discussion — CineFeX
A data analyst needs to survey customers about their preferences for various types of soda. Which of the following sampling methods should the analyst use to collect the survey data?
Answer: A
Given the following data set:
Which of the following steps would be MOST appropriate to cleanse the data set?
Answer: A
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