Week 6-8 Quiz Exploratory Data Analysis and Data Visualization

What is the primary goal of Exploratory Data Analysis (EDA)?

• a) To create machine learning models
  

• b) To clean data
  

• c) To summarize and visualize data to discover patterns
  

• d) To automate data processing

Which method in pandas provides summary statistics for numeric columns?

• a) DataFrame.describe()
  

• b) DataFrame.summary()
  

• c) DataFrame.stats()
  

• d) DataFrame.mean()

What does a boxplot primarily show?

• a) The frequency of data points
  

• b) Relationships between two variables
  

• c) The distribution of data and outliers
  

• d) Time-series data trends

Which library is commonly used for creating static visualizations in Python?

• a) TensorFlow
  

• b) Matplotlib
  

• c) Scikit-learn
  

• d) NumPy

.Which function in Matplotlib is used to create a line plot?

• a) plot()
  

• b) lineplot()
  

• c) draw()
  

• d) graph()

What type of visualization is best for showing the relationship between two variables?

• a) Histogram
  

• b) Scatter plot
  

• c) Boxplot
  

• d) Bar chart

How do you add a title to a Matplotlib plot?

• a) plt.title()
  

• b) plt.set_title()
  

• c) plt.add_title()
  

• d) plt.header()

.What does a histogram represent?

• a) The distribution of a single variable
  

• b) The relationship between two variables
  

• c) The count of categorical data
  

• d) A time-series trend

Which of the following Seaborn functions is used to create a pairplot?

• a) sns.pairplot()
  

• b) sns.scatterplot()
  

• c) sns.gridplot()
  

• d) sns.matrixplot()

What argument is used in Matplotlib to set the x-axis label?

• a) x_label
  

• b) xlabel()
  

• c) plt.xlabel()
  

• d) x_label()