What is the primary goal of data preprocessing in the context of machine learning?
A. To make the data more complex
B. To prepare the data for analysis
C. To reduce the size of the dataset
D. To create visualizations of the data
Answer: Option B
A. To make the data more complex
B. To prepare the data for analysis
C. To reduce the size of the dataset
D. To create visualizations of the data
Answer: Option B
What is the process of gathering data from various sources and storing it for analysis known as?
A. Data Wrangling
B. Data Collection
C. Data Visualization
D. Data Aggregation
Which of the following is NOT a common source of data for data collection in Data Science?
A. Social Media
B. Sensor Data
C. Print Media
D. Customer Surveys
A. Data Integration
B. Data Transformation
C. Data Aggregation
D. Raw Data Collection
A. CSV
B. JSON
C. XML
D. Unstructured Text Data
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