Which of the following is NOT a common step in data preprocessing?
A. Data Cleaning
B. Data Visualization
C. Data Transformation
D. Data Integration
Answer: Option B
A. Data Cleaning
B. Data Visualization
C. Data Transformation
D. Data Integration
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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