Data Analysis With Python - Study Mode

[#6] In Pandas, which method is used to calculate the variance of a numerical column in a DataFrame?
Correct Answer

(C) var()

[#7] Which Python library is commonly used for creating interactive 3D visualizations and plots?
Correct Answer

(B) Plotly 3D

[#8] What is the primary purpose of the "explode" function in Pandas when working with nested data in a DataFrame?
Correct Answer

(C) Explode list-like columns

[#9] In Python, which library provides tools for working with time series data, including time-based indexing and resampling?
Correct Answer

(D) Pandas TimeSeries

[#10] Which Python library is commonly used for distributed data processing and parallel computing, especially for big data analysis?
Correct Answer

(C) Dask