Python Da Interview Questions

Python Data Analyst Interview Questions

Intermediate Level

• How do you install external libraries in Python?
• How do you read a CSV file into a DataFrame using Pandas?
• How do you create a NumPy array?
• Difference between a DataFrame and a Series in Pandas.
• How do you create a line plot using Matplotlib?
• Explain Data Cleaning in data analysis
• How do you check for missing values in a DataFrame using Pandas?
• What are some common methods for handling missing values in a DataFrame?
• How do you calculate descriptive statistics for a DataFrame in Pandas?
• How do you create a histogram using Matplotlib?
• What is the purpose of data visualization in data analysis?
• How do you customize the appearance of a plot in Matplotlib?
• What is the purpose of data normalization in data analysis?
• What are some common methods for data normalization?
• What is the purpose of data aggregation in data analysis?
• How do you perform data aggregation using Pandas?
• How do you filter data in a DataFrame using Pandas?