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CompTIA DA0-001 Practice Test - Questions Answers, Page 20
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Question 191
A user imports a data file into the accounts payable system each day. On a regular basis. the field input is not what the system is expecting. so it results in an error for the row and a broken import process. To resolve the issue, the user opens the file, finds the error in the row, and manually corrects it before attempting the import again. The import sometimes breaks on subsequent attempts. though. Which of the following changes should be made to this process to reduce the number of errors?
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Question 192
Which of the following would a data analyst look for first if 100% participation is needed on survey results?
Question 193
An analyst modified a data set that had a number of issues. Given the original and modified versions:
Which of the following data manipulation techniques did the analyst use?
Question 194
Refer to the exhibit.
Given the following:
Which of the following is the most important thing for an analyst to do when transforming the table for a trend analysis?
Question 195
A data analyst needs to collect a similar proportion of data from every state. Which of the following sampling methods would be the most appropriate?
Question 196
Which of the following reports can be used when insight into operational performance is needed each Wednesday?
Question 197
Which of the following are reasons to conduct data cleansing? (Select two).
Question 198
Refer to the exhibit.
A development company is constructing a new Init in its apartment complex. The complex has the following floor plans:
Using the average cost per square foot of the original floor plans. which of the following should be the price of the Rose Init?
Question 199
Which of the following best describes a difference between JSON and XML?
Question 200
Which of the following best describes a business analytics tool with interactive visualization and business capabilities and an interface that is simple enough for end users to create their own reports and dashboards?
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