Module 2 - Plots and Graphs in Data Science

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

• Predicting future trends

• Summarizing the main characteristics of datasets

• Classifying data into different categories

• Calculating the probability of data events

Who introduced the concept of Exploratory Data Analysis?

• Ronald Fisher

• Karl Pearson

• John W. Tukey

• Francis Galton

What is the primary purpose of using pivot tables in exploratory data analysis?

• To create predictive models

• To summarize and group data

• To generate automated reports

• To perform real-time analysis

Conditional formatting in data analysis is used to:

• Simplify complex calculations

• Highlight certain values

• Reduce data processing time

• Increase data storage efficiency

Which type of visualization is typically not associated with charts and graphs in exploratory data analysis?

• Pie charts

• Flow charts

• Bar charts

• Line charts

What is the primary function of plots in data analysis?

• To calculate statistical measures

• To document the data collection process

• To visually explore relationships and trends between variables

• To store data efficiently

What is the purpose of using a line chart in data analysis?

• To compare different categories

• To detect trends over time

• To show the distribution of data

Which plot is most effective for comparing categories?

• Line chart

• Scatter plot

• Bar chart

• Box plot

What type of plot helps in understanding the distribution of a dataset?

• Line chart

• Pie chart

• Bar chart

• Histogram

Which function is used to display the histogram on the screen?

• plt.display()

• plt.show()

• plt.plot()

• plt.draw()