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Data Collection Sources Quiz

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Questions and Answers

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?

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?

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?

Data is the new oil Signup and view all the answers

What should be considered regarding the future use of data?

Whether the data could be used for other projects in the future Signup and view all the answers

What is the primary focus of data cleaning?

Identifying and removing incorrect data Signup and view all the answers

What is the main concern when coordinating data sources?

Ensuring data is in a consistent format Signup and view all the answers

What is the key reason for making decisions based on facts rather than intuition or guesswork?

To avoid bias or emotion Signup and view all the answers

What is the significance of building tables to organize and catalog the data?

To better understand the data and identify any problems Signup and view all the answers

Why is blindly collecting data and looking for patterns not likely to result in long term profits and revolutionary discoveries?

It may result in inaccurate analysis Signup and view all the answers