Data Literacy Quiz - PART2

What is the primary purpose of statistics?

• To collect data

• To analyze and interpret data

• To store data securely

• To visualize data

Which of the following is a non-graphical technique of data representation?

• Bar diagrams

• Pie charts

• Line graphs

• Tabular form

What is the function used to add a title to a chart in Matplotlib?

• xlabel()

• show()

• ylabel()

• title()

Which function is used to create a scatter plot in Python?

• plot()

• scatter()

• bar()

• hist()

What is a key characteristic of a pie chart?

• It represents categorical data

• It is suitable for large datasets

• It uses rectangular bars

• It shows changes over time

Which of the following is NOT a method of handling missing data?

• Deleting rows with missing values

• Replacing missing values with estimates

• Ignoring missing data

• Using algorithms that can handle missing data

What does the term 'data normalization' refer to?

• Merging data from multiple sources

• Cleaning data

• Ensuring all features have a similar scale

• Removing duplicate data

Which of the following is a graphical technique for data representation?

• Case form

• Tabular form

• Histogram

• Textual representation

What is the purpose of data preprocessing?

• To complicate the dataset

• To visualize data

• To clean and prepare data for analysis

• To increase the size of the dataset

Which function in Matplotlib is used to save a graph?

• plot()

• figure()

• savefig()

• show()