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Questions and Answers
What is the primary focus when making decisions based on data?
What is the primary focus when making decisions based on data?
- Facts rather than intuition or guesswork (correct)
- Emotion-driven decisions
- Blindly collecting data
- Intuition and guesswork
Why is data cleaning important for accurate analysis?
Why is data cleaning important for accurate analysis?
- 80% of a data analyst's time is spent cleaning and organizing data (correct)
- Data cleaning is only needed for specific projects
- Data cleaning is unnecessary for accurate analysis
- Data cleaning is a tedious process
What is involved in the process of data cleaning?
What is involved in the process of data cleaning?
- Identifying and removing incorrect data (correct)
- Ignoring incorrect data
- Focusing only on data analysis
- Blindly collecting data
What is the analogy used to emphasize the value of data?
What is the analogy used to emphasize the value of data?
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What should be considered regarding the future use of data?
What should be considered regarding the future use of data?
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What is the primary focus of data cleaning?
What is the primary focus of data cleaning?
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What is the main concern when coordinating data sources?
What is the main concern when coordinating data sources?
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What is the key reason for making decisions based on facts rather than intuition or guesswork?
What is the key reason for making decisions based on facts rather than intuition or guesswork?
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What is the significance of building tables to organize and catalog the data?
What is the significance of building tables to organize and catalog the data?
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Why is blindly collecting data and looking for patterns not likely to result in long term profits and revolutionary discoveries?
Why is blindly collecting data and looking for patterns not likely to result in long term profits and revolutionary discoveries?
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