Python Study Group: Week 5

What function in Matplotlib is typically used to create a line plot?

• `plt.bar()`

• `plt.scatter()`

• `plt.plot()`

• `plt.line()`

How can you add a legend to a plot in matplotlib?

• plt.legend()

• plt.add_legend()

• plt.show_legend()

• 
  plt.insert_legend()

When creating a histogram in Matplotlib, which parameter is used to define the number of bins?

• `count`

• `bins`

• `groups`

• `divisions`

What does a box plot display?

• The relationship between two variables

• The distribution of a dataset

• The mean value of the data

• The change in data over time

What is an outlier in the context of a box plot?

• A data point that falls within the first quartile

• A data point that falls within the interquartile range

• A data point that is significantly higher or lower than the majority of the data

• The median value of the dataset

Which of the following is a measure of correlation?

• Mean

• Median

• Standard deviation

• Pearson's r

In exploratory data analysis, what is the main goal of visualizing data?

• To confirm your hypotheses

• To make the final decision on business strategies

• To understand the data better and uncover underlying patterns

• To present the final results of your analysis

Which of the following is not a step in exploratory data analysis?

• Data cleaning

• Feature engineering

• Data visualization

• 
  Model training

Which Python library is commonly used for working with spatial data?

• NumPy

• Pandas

• Geopandas

• Matplotlib

What is a GeoDataFrame and how does it differ from a regular DataFrame in pandas?

• A GeoDataFrame is a tabular data structure that cannot contain geometric data types.

• A GeoDataFrame is just like a regular DataFrame but is specifically designed for geometric computations.

• A GeoDataFrame is a DataFrame that includes a special column for geographic data, typically called 'geometry'.

• There is no difference; GeoDataFrame is just another name for DataFrame.