CompTIA
DA0-001 · Question #448
Which of the following is a reason to remove duplicate data?
The correct answer is C. Only unique values are desired. Removing duplicate data ensures that the dataset contains only unique values, which is important for accurate analysis and reporting. This helps eliminate redundancy and prevents skewed results in calculations or insights derived from the data.
Data Concepts and Environments
Question
Which of the following is a reason to remove duplicate data?
Options
- AOnly the first column is desired.
- BOnly ten rows of data are desired.
- COnly unique values are desired.
- DOnly every other row is desired.
How the community answered
(24 responses)- A4% (1)
- B4% (1)
- C92% (22)
Explanation
Removing duplicate data ensures that the dataset contains only unique values, which is important for accurate analysis and reporting. This helps eliminate redundancy and prevents skewed results in calculations or insights derived from the data.
Topics
#Data cleaning#Duplicate data#Unique values#Data manipulation
Community Discussion
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