Learntube Data Structure and Algorithm Quiz 3/2/23

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What is the most important aspect of Data Science?

• Algorithms
• Data collection
• Data analysis
• Data visualization

What is the first step in the Data Science process?

• Data visualization
• Data cleaning
• Data collection
• Data analysis

What is the purpose of Data Cleaning in Data Science?

• To remove duplicate data
• To fill in missing values
• To correct inconsistent data
• All of the above

What is the primary goal of Data Exploration in Data Science?

• To understand the underlying patterns in the data
• To make predictions based on the data
• To create visualizations of the data
• To clean the data

What is the main purpose of Data Modeling in Data Science?

• To make predictions based on the data
• To understand the underlying patterns in the data
• To create visualizations of the data
• To clean the data

What is the main goal of Data Visualization in Data Science?

• To present the data in an easy-to-understand format
• To make predictions based on the data
• To understand the underlying patterns in the data
• To clean the data

What is the main difference between Supervised and Unsupervised learning in Data Science?

• Supervised learning requires labeled data, while unsupervised learning does not
• Unsupervised learning requires labeled data, while supervised learning does not
• Both require labeled data
• Both do not require labeled data