Data Exploration Quiz

What is data exploration?

• The process of collecting data

• The process of examining datasets

• The process of visualizing data

• The process of cleaning data

Why is data exploration important?

• It helps in data storage

• It uncovers hidden patterns

• It automates data collection

• It reduces data size

What is the first step in data exploration?

• Feature Engineering

• Data Visualization

• Data Collection

• Data Cleaning

Which tool is commonly used for data visualization?

• OpenRefine

• NumPy

• Matplotlib

• Pandas

What does EDA stand for?

• Effective Data Assessment

• Essential Data Analysis

• Exploratory Data Analysis

• Enhanced Data Application

Which of the following is a technique used in univariate analysis?

• Scatter plots

• Box plots

• Correlation matrices

• Heatmaps

What is a challenge in data exploration?

• Data storage

• Data collection

• Large datasets

• Data visualization

What is the purpose of data cleaning?

• To visualize data

• To handle missing values

• To collect data

• To analyze data

Which programming language is mentioned for data exploration?

• Ruby

• Python

• C++

• Java

What do scatter plots show?

• Data spread

• Distribution of a single variable

• Correlations between multiple variables

• Relationships between two variables